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_weekday_schedule.py

@@ -0,0 +1,77 @@
+"""
+교시 테이블에 요일 스케줄 컬럼 추가
+
+ClassInfo 테이블에 weekday_schedule 컬럼을 추가하여
+평일/주말 또는 특정 요일별로 클래스를 운영할 수 있도록 합니다.
+
+weekday_schedule 형식 (JSON):
+{
+    "mon": true,
+    "tue": true,
+    "wed": true,
+    "thu": true,
+    "fri": true,
+    "sat": false,
+    "sun": false
+}
+"""
+
+import sqlite3
+import json
+
+def migrate():
+    conn = sqlite3.connect('waiting_system.db')
+    cursor = conn.cursor()
+
+    try:
+        # 컬럼 존재 여부 확인
+        cursor.execute("PRAGMA table_info(class_info)")
+        columns = [row[1] for row in cursor.fetchall()]
+
+        if 'weekday_schedule' not in columns:
+            print("✅ weekday_schedule 컬럼 추가 중...")
+
+            # 기본값: 모든 요일 활성화 (JSON 문자열)
+            default_schedule = json.dumps({
+                "mon": True,
+                "tue": True,
+                "wed": True,
+                "thu": True,
+                "fri": True,
+                "sat": True,
+                "sun": True
+            })
+
+            # weekday_schedule 컬럼 추가 (기본값: 모든 요일 활성화)
+            cursor.execute(f"""
+                ALTER TABLE class_info
+                ADD COLUMN weekday_schedule TEXT DEFAULT '{default_schedule}'
+            """)
+
+            # 기존 레코드에 기본값 설정
+            cursor.execute(f"""
+                UPDATE class_info
+                SET weekday_schedule = '{default_schedule}'
+                WHERE weekday_schedule IS NULL
+            """)
+
+            conn.commit()
+            print("✅ weekday_schedule 컬럼이 추가되었습니다.")
+            print(f"   기본값: 모든 요일 활성화")
+        else:
+            print("ℹ️  weekday_schedule 컬럼이 이미 존재합니다.")
+
+    except Exception as e:
+        print(f"❌ 마이그레이션 실패: {e}")
+        conn.rollback()
+    finally:
+        conn.close()
+
+if __name__ == "__main__":
+    print("=" * 50)
+    print("ClassInfo 테이블에 weekday_schedule 컬럼 추가")
+    print("=" * 50)
+    migrate()
+    print("=" * 50)
+    print("✅ 마이그레이션 완료")
+    print("=" * 50)