Add HTTPS support with Caddy and clean up legacy files

- Add Caddy reverse proxy for automatic HTTPS with Let's Encrypt
- Update docker-compose.yml with Caddy service and internal networking
- Remove all Redis dependencies (not needed for this deployment)
- Fix Dockerfile permissions for instance and uploads directories
- Move legacy scripts to old_code_documentation folder
  - add_muted_column.py, check_fix_player.py, migrate_add_edit_enabled.py
  - docker-start.sh, run_dev.sh, start.sh, clean_for_deployment.sh
- Add HTTPS_SETUP.md documentation for Caddy configuration
- Update .env.example with DOMAIN and EMAIL variables
- Remove redis package from requirements.txt
- Remove rate limiting Redis storage from config.py

old_code_documentation/migrate_add_edit_enabled.py

@@ -0,0 +1,47 @@
+"""Migration: Add edit_on_player_enabled column to playlist_content table."""
+import sqlite3
+import os
+
+DB_PATH = 'instance/dashboard.db'
+
+def migrate():
+    """Add edit_on_player_enabled column to playlist_content."""
+    if not os.path.exists(DB_PATH):
+        print(f"Database not found at {DB_PATH}")
+        return False
+    
+    conn = sqlite3.connect(DB_PATH)
+    cursor = conn.cursor()
+    
+    try:
+        # Check if column already exists
+        cursor.execute("PRAGMA table_info(playlist_content)")
+        columns = [col[1] for col in cursor.fetchall()]
+        
+        if 'edit_on_player_enabled' in columns:
+            print("Column 'edit_on_player_enabled' already exists!")
+            return True
+        
+        # Add the new column with default value False
+        print("Adding 'edit_on_player_enabled' column to playlist_content table...")
+        cursor.execute("""
+            ALTER TABLE playlist_content 
+            ADD COLUMN edit_on_player_enabled BOOLEAN DEFAULT 0
+        """)
+        
+        conn.commit()
+        print("✅ Migration completed successfully!")
+        print("Column 'edit_on_player_enabled' added with default value False (0)")
+        
+        return True
+        
+    except Exception as e:
+        conn.rollback()
+        print(f"❌ Migration failed: {e}")
+        return False
+        
+    finally:
+        conn.close()
+
+if __name__ == '__main__':
+    migrate()