added bootstrap

public/bootstrap-4.0.0/.travis.yml

@@ -0,0 +1,34 @@
+sudo: required
+dist: trusty
+addons:
+  chrome: stable
+language: node_js
+git:
+  depth: 3
+node_js:
+  - "6"
+  - "8"
+before_install:
+  - if [[ `npm -v` != 5* ]]; then npm install -g npm@5; fi
+install:
+  - bundle install --deployment --jobs=3 --retry=3
+  - npm install
+after_success:
+  - if [ "$TRAVIS_REPO_SLUG" = twbs-savage/bootstrap ]; then npm run docs-upload-preview; fi
+stages:
+  - test
+  - name: browser
+    if: type = push
+jobs:
+  include:
+    - stage: browser
+      node_js: 8
+      script: if ! git log --format=%B --no-merges -n 1 | grep '\[skip browser\]'; then npm test && npm run js-test-cloud; fi
+cache:
+  directories:
+    - node_modules
+    - vendor/bundle
+notifications:
+  slack: heybb:iz4wwosL0N0EdaX1gvgkU0NH
+  webhooks:
+    - http://savage.twbsapps.com/savage/travis