added bootstrap

public/bootstrap-4.0.0/assets/js/.eslintrc.json

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+{
+  "env": {
+    "es6": false,
+    "jquery": true
+  },
+  "parserOptions": {
+    "ecmaVersion": 5,
+    "sourceType": "script"
+  },
+  "extends": "../../.eslintrc.json",
+  "rules": {
+    // Best Practices
+    "no-magic-numbers": "off",
+    "vars-on-top": "off",
+
+    // Stylistic Issues
+    "spaced-comment": "off",
+
+    // ECMAScript 6
+    "no-var": "off",
+    "object-shorthand": "off",
+    "prefer-arrow-callback": "off",
+    "prefer-template": "off",
+    "prefer-rest-params": "off"
+  }
+}

public/bootstrap-4.0.0/assets/js/src/application.js

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+// NOTICE!! DO NOT USE ANY OF THIS JAVASCRIPT
+// IT'S ALL JUST JUNK FOR OUR DOCS!
+// ++++++++++++++++++++++++++++++++++++++++++
+
+/*!
+ * JavaScript for Bootstrap's docs (https://getbootstrap.com)
+ * Copyright 2011-2018 The Bootstrap Authors
+ * Copyright 2011-2018 Twitter, Inc.
+ * Licensed under the Creative Commons Attribution 3.0 Unported License. For
+ * details, see https://creativecommons.org/licenses/by/3.0/.
+ */
+
+/* global Clipboard: false, anchors: false, Holder: false */
+
+(function ($) {
+  'use strict'
+
+  $(function () {
+    // Tooltip and popover demos
+    $('.tooltip-demo').tooltip({
+      selector: '[data-toggle="tooltip"]',
+      container: 'body'
+    })
+
+    $('[data-toggle="popover"]').popover()
+
+    // Demos within modals
+    $('.tooltip-test').tooltip()
+    $('.popover-test').popover()
+
+    // Indeterminate checkbox example
+    $('.bd-example-indeterminate [type="checkbox"]').prop('indeterminate', true)
+
+    // Disable empty links in docs examples
+    $('.bd-content [href="#"]').click(function (e) {
+      e.preventDefault()
+    })
+
+    // Modal relatedTarget demo
+    $('#exampleModal').on('show.bs.modal', function (event) {
+      var $button = $(event.relatedTarget)      // Button that triggered the modal
+      var recipient = $button.data('whatever')  // Extract info from data-* attributes
+      // If necessary, you could initiate an AJAX request here (and then do the updating in a callback).
+      // Update the modal's content. We'll use jQuery here, but you could use a data binding library or other methods instead.
+      var $modal = $(this)
+      $modal.find('.modal-title').text('New message to ' + recipient)
+      $modal.find('.modal-body input').val(recipient)
+    })
+
+    // Activate animated progress bar
+    $('.bd-toggle-animated-progress').on('click', function () {
+      $(this).siblings('.progress').find('.progress-bar-striped').toggleClass('progress-bar-animated')
+    })
+
+    // Insert copy to clipboard button before .highlight
+    $('figure.highlight, div.highlight').each(function () {
+      var btnHtml = '<div class="bd-clipboard"><button class="btn-clipboard" title="Copy to clipboard">Copy</button></div>'
+      $(this).before(btnHtml)
+      $('.btn-clipboard')
+        .tooltip()
+        .on('mouseleave', function () {
+          // Explicitly hide tooltip, since after clicking it remains
+          // focused (as it's a button), so tooltip would otherwise
+          // remain visible until focus is moved away
+          $(this).tooltip('hide')
+        })
+    })
+
+    var clipboard = new Clipboard('.btn-clipboard', {
+      target: function (trigger) {
+        return trigger.parentNode.nextElementSibling
+      }
+    })
+
+    clipboard.on('success', function (e) {
+      $(e.trigger)
+        .attr('title', 'Copied!')
+        .tooltip('_fixTitle')
+        .tooltip('show')
+        .attr('title', 'Copy to clipboard')
+        .tooltip('_fixTitle')
+
+      e.clearSelection()
+    })
+
+    clipboard.on('error', function (e) {
+      var modifierKey = /Mac/i.test(navigator.userAgent) ? '\u2318' : 'Ctrl-'
+      var fallbackMsg = 'Press ' + modifierKey + 'C to copy'
+
+      $(e.trigger)
+        .attr('title', fallbackMsg)
+        .tooltip('_fixTitle')
+        .tooltip('show')
+        .attr('title', 'Copy to clipboard')
+        .tooltip('_fixTitle')
+    })
+
+    anchors.options = {
+      icon: '#'
+    }
+    anchors.add('.bd-content > h2, .bd-content > h3, .bd-content > h4, .bd-content > h5')
+    $('.bd-content > h2, .bd-content > h3, .bd-content > h4, .bd-content > h5').wrapInner('<div></div>')
+
+    // Search
+    if (window.docsearch) {
+      window.docsearch({
+        apiKey: '48cb48b22351bc71ea5f12f4d1ede198',
+        indexName: 'bootstrap-v4',
+        inputSelector: '#search-input',
+        handleSelected: function (input, event, suggestion) {
+          var url = suggestion.url
+          url = suggestion.isLvl1 ? url.split('#')[0] : url
+          // If it's a title we remove the anchor so it does not jump.
+          window.location.href = url
+        },
+        transformData: function (hits) {
+          return hits.map(function (hit) {
+            hit.url = hit.url.replace('https://v4-alpha.getbootstrap.com', '/docs/4.0')
+            return hit
+          })
+        },
+        debug: false // Set debug to true if you want to inspect the dropdown
+      })
+    }
+
+    // Holder
+    Holder.addTheme('gray', {
+      bg: '#777',
+      fg: 'rgba(255,255,255,.75)',
+      font: 'Helvetica',
+      fontweight: 'normal'
+    })
+  })
+}(jQuery))

public/bootstrap-4.0.0/assets/js/src/ie-emulation-modes-warning.js

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+// NOTICE!! DO NOT USE ANY OF THIS JAVASCRIPT
+// IT'S JUST JUNK FOR OUR DOCS!
+// ++++++++++++++++++++++++++++++++++++++++++
+
+// Intended to prevent false-positive bug reports about Bootstrap not working properly in old versions of IE due to folks testing using IE's unreliable emulation modes.
+(function () {
+  'use strict'
+
+  function emulatedIEMajorVersion() {
+    var groups = /MSIE ([0-9.]+)/.exec(window.navigator.userAgent)
+    if (groups === null) {
+      return null
+    }
+    var ieVersionNum = parseInt(groups[1], 10)
+    var ieMajorVersion = Math.floor(ieVersionNum)
+    return ieMajorVersion
+  }
+
+  function actualNonEmulatedIEMajorVersion() {
+    // Detects the actual version of IE in use, even if it's in an older-IE emulation mode.
+    // IE JavaScript conditional compilation docs: https://msdn.microsoft.com/library/121hztk3%28v=vs.94%29.aspx
+    // @cc_on docs: https://msdn.microsoft.com/library/8ka90k2e%28v=vs.94%29.aspx
+    var jscriptVersion = new Function('/*@cc_on return @_jscript_version; @*/')() // eslint-disable-line no-new-func
+    if (typeof jscriptVersion === 'undefined') {
+      return 11 // IE11+ not in emulation mode
+    }
+    if (jscriptVersion < 9) {
+      return 8 // IE8 (or lower; haven't tested on IE<8)
+    }
+    return jscriptVersion // IE9 or IE10 in any mode, or IE11 in non-IE11 mode
+  }
+
+  var ua = window.navigator.userAgent
+  if (ua.indexOf('Opera') > -1 || ua.indexOf('Presto') > -1) {
+    return // Opera, which might pretend to be IE
+  }
+  var emulated = emulatedIEMajorVersion()
+  if (emulated === null) {
+    return // Not IE
+  }
+  var nonEmulated = actualNonEmulatedIEMajorVersion()
+
+  if (emulated !== nonEmulated) {
+    // eslint-disable-next-line no-alert
+    window.alert('WARNING: You appear to be using IE' + nonEmulated + ' in IE' + emulated + ' emulation mode.\nIE emulation modes can behave significantly differently from ACTUAL older versions of IE.\nPLEASE DON\'T FILE BOOTSTRAP BUGS based on testing in IE emulation modes!')
+  }
+}())

public/bootstrap-4.0.0/assets/js/src/pwa.js

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+/* eslint no-console:off */
+
+(function () {
+  'use strict'
+
+  if ('serviceWorker' in navigator) {
+    window.addEventListener('load', function () {
+      navigator.serviceWorker.register('/sw.js').then(function (registration) { // eslint-disable-line compat/compat
+        console.log('ServiceWorker registration successful with scope: ', registration.scope)
+      }).catch(function (err) {
+        console.log('ServiceWorker registration failed: ', err)
+      })
+    })
+  } else {
+    console.log('Service workers are not supported.')
+  }
+}())