Add waiting system application files

- Add main application files (main.py, models.py, schemas.py, etc.)
- Add routers for all features (waiting, attendance, members, etc.)
- Add HTML templates for admin and user interfaces
- Add migration scripts and utility files
- Add Docker configuration
- Add documentation files
- Add .gitignore to exclude database and cache files

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

migrate_add_ranking_indexes.py

@@ -0,0 +1,52 @@
+import sqlite3
+import os
+
+DB_PATH = 'waiting_system.db'
+
+def migrate_indexes():
+    if not os.path.exists(DB_PATH):
+        print(f"Database file '{DB_PATH}' not found. Skipping migration.")
+        return
+
+    print(f"Connecting to database: {DB_PATH}")
+    conn = sqlite3.connect(DB_PATH)
+    cursor = conn.cursor()
+    
+    try:
+        # Check existing indexes on waiting_list
+        cursor.execute("PRAGMA index_list('waiting_list')")
+        existing_indexes = [row[1] for row in cursor.fetchall()]
+        print(f"Existing indexes on waiting_list: {existing_indexes}")
+        
+        # 1. Index on member_id
+        if 'ix_waiting_list_member_id' not in existing_indexes:
+            print("Creating index 'ix_waiting_list_member_id'...")
+            cursor.execute("CREATE INDEX ix_waiting_list_member_id ON waiting_list (member_id)")
+        else:
+            print("Index 'ix_waiting_list_member_id' already exists.")
+            
+        # 2. Index on status
+        if 'ix_waiting_list_status' not in existing_indexes:
+            print("Creating index 'ix_waiting_list_status'...")
+            cursor.execute("CREATE INDEX ix_waiting_list_status ON waiting_list (status)")
+        else:
+            print("Index 'ix_waiting_list_status' already exists.")
+            
+        # 3. Index on attended_at
+        if 'ix_waiting_list_attended_at' not in existing_indexes:
+            print("Creating index 'ix_waiting_list_attended_at'...")
+            cursor.execute("CREATE INDEX ix_waiting_list_attended_at ON waiting_list (attended_at)")
+        else:
+            print("Index 'ix_waiting_list_attended_at' already exists.")
+
+        conn.commit()
+        print("Index migration completed successfully.")
+        
+    except Exception as e:
+        print(f"Error during index migration: {e}")
+        conn.rollback()
+    finally:
+        conn.close()
+
+if __name__ == "__main__":
+    migrate_indexes()