Migrate from Next.js to Flask: Complete motorcycle adventure community website

- Replace Next.js/React implementation with Python Flask
- Add colorful blue-purple-teal gradient theme replacing red design
- Integrate logo and Transalpina panoramic background image
- Implement complete authentication system with Flask-Login
- Add community features for stories and tracks sharing
- Create responsive design with Tailwind CSS
- Add error handling with custom 404/500 pages
- Include Docker deployment configuration
- Add favicon support and proper SEO structure
- Update content for Pensiune BuonGusto accommodation
- Remove deprecated Next.js files and dependencies

Features:
✅ Landing page with hero section and featured content
✅ User registration and login system
✅ Community section for adventure sharing
✅ Admin panel for content management
✅ Responsive mobile-first design
✅ Docker containerization with PostgreSQL
✅ Email integration with Flask-Mail
✅ Form validation with WTForms
✅ SQLAlchemy database models
✅ Error pages and favicon handling

app/__init__.py

@@ -0,0 +1,60 @@
+from flask import Flask
+from flask_sqlalchemy import SQLAlchemy
+from flask_migrate import Migrate
+from flask_login import LoginManager
+from flask_mail import Mail
+from config import config
+import os
+
+db = SQLAlchemy()
+migrate = Migrate()
+login_manager = LoginManager()
+mail = Mail()
+
+def create_app(config_name=None):
+    app = Flask(__name__)
+    
+    config_name = config_name or os.environ.get('FLASK_CONFIG') or 'default'
+    app.config.from_object(config[config_name])
+    
+    # Initialize extensions
+    db.init_app(app)
+    migrate.init_app(app, db)
+    login_manager.init_app(app)
+    mail.init_app(app)
+    
+    # Configure login manager
+    login_manager.login_view = 'auth.login'
+    login_manager.login_message = 'Please log in to access this page.'
+    login_manager.login_message_category = 'info'
+    
+    @login_manager.user_loader
+    def load_user(user_id):
+        from app.models import User
+        return User.query.get(int(user_id))
+    
+    # Import models
+    from app.models import User, Post, PostImage, GPXFile, Comment, Like
+    
+    # Register blueprints
+    from app.routes.main import main
+    app.register_blueprint(main)
+    
+    from app.routes.auth import auth
+    app.register_blueprint(auth, url_prefix='/auth')
+    
+    from app.routes.community import community
+    app.register_blueprint(community, url_prefix='/community')
+    
+    # Create upload directories
+    upload_dir = os.path.join(app.instance_path, 'uploads')
+    os.makedirs(upload_dir, exist_ok=True)
+    os.makedirs(os.path.join(upload_dir, 'images'), exist_ok=True)
+    os.makedirs(os.path.join(upload_dir, 'gpx'), exist_ok=True)
+    
+    return app
+
+@login_manager.user_loader
+def load_user(user_id):
+    from app.models import User
+    return User.query.get(int(user_id))