first commit

app/api/middlewares/cors.py

@@ -0,0 +1,7 @@
+from flask import request, jsonify
+
+
+def enforce_json():
+    """Middleware to enforce JSON Content-Type for incoming requests"""
+    if request.method in ["POST", "PUT", "PATCH"] and request.content_type != "application/json":
+        return jsonify({"message": "Invalid request"}), 400