Initial commit: Telegram Sticker Bot Manager

Features:
- Create and manage sticker packs
- Add existing sticker sets to database
- Automatic image optimization (512px, WebP conversion)
- GIF to animated video sticker conversion (WebM, VP9)
- Background removal (local rembg + optional Remove.bg API)
- Hybrid API with retry logic and usage tracking
- Premium status detection
- SQLite database for persistence
- Docker containerization
- Complete OPENCODE.md documentation

Technical Stack:
- python-telegram-bot 22.7
- Pillow for image processing
- FFmpeg for video conversion
- rembg for local background removal
- aiosqlite for async database operations

docker-compose.yml

@@ -0,0 +1,19 @@
+version: '3.8'
+
+services:
+  stickerbot:
+    build: .
+    container_name: telegram-sticker-bot
+    restart: unless-stopped
+    env_file:
+      - .env
+    volumes:
+      - ./data:/app/data
+      - ./sticker_bot.db:/app/sticker_bot.db
+    environment:
+      - DATABASE_PATH=/app/data/sticker_bot.db
+    logging:
+      driver: "json-file"
+      options:
+        max-size: "10m"
+        max-file: "3"