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_auto_closing.py

@@ -0,0 +1,24 @@
+import sqlite3
+
+def migrate():
+    # 데이터베이스 연결
+    conn = sqlite3.connect("waiting_system.db")
+    cursor = conn.cursor()
+
+    try:
+        # store_settings 테이블에 auto_closing 컬럼 추가
+        # BOOLEAN 타입은 SQLite에서 INTEGER로 처리됨 (True=1, False=0)
+        # 기본값은 True (1)
+        cursor.execute("ALTER TABLE store_settings ADD COLUMN auto_closing BOOLEAN DEFAULT 1")
+        conn.commit()
+        print("Successfully added 'auto_closing' column to 'store_settings' table.")
+    except sqlite3.OperationalError as e:
+        if "duplicate column name" in str(e):
+            print("Column 'auto_closing' already exists.")
+        else:
+            print(f"Error adding column: {e}")
+    finally:
+        conn.close()
+
+if __name__ == "__main__":
+    migrate()