Fix: Imports on backend

Fix: Connected Backend to Frontend over localhost

web_server/backend/blueprints/__init__.py

@@ -0,0 +1,26 @@
+from flask import Flask
+from flask_session import Session
+from backend.blueprints.utils import logged_in_user
+from flask_cors import CORS
+
+def create_app():
+    app = Flask(__name__, template_folder="../ui/templates/", static_folder="../ui/static/")
+    app.config["SECRET_KEY"] = ""
+    app.config["SESSION_PERMANENT"] = False
+    app.config["SESSION_TYPE"] = "filesystem"
+    #! ↓↓↓ For development purposes only
+    CORS(app)       # Allow cross-origin requests for the frontend
+
+    Session(app)
+    app.before_request(logged_in_user)
+
+    with app.app_context():
+        from backend.blueprints.authentication import auth_bp
+        from backend.blueprints.main import main_bp
+        from backend.blueprints.stripe import stripe_bp
+
+        app.register_blueprint(auth_bp)
+        app.register_blueprint(main_bp)
+        app.register_blueprint(stripe_bp)
+
+    return app