feat: initial JavaScript port of store-scraper-bot

Node.js 20+ ESM port mirroring Java/Go implementations.

- 13 Telegram commands matching Java identifiers
- MongoDB schema parity (common, group, apple_app, google_app collections)
- Apple/Google scrapers calling store-scraper.vercel.app with 10-min cache
- Daily 7am Vietnam-time cron with weekend-silent mode
- HTML table renderer matching Java/Go output
- Docker + Compose (prod and dev)

Untested end-to-end against live Telegram or upstream API.

.env.example

@@ -0,0 +1,18 @@
+# Telegram Configuration
+TELEGRAM_BOT_TOKEN=your_bot_token_here
+TELEGRAM_BOT_USERNAME=your_bot_username
+
+# MongoDB Configuration (MONGODB_CONNECTION_STRING preferred; MONGO_URI fallback)
+MONGODB_CONNECTION_STRING=mongodb://localhost:27017
+MONGO_DATABASE=store_scraper_bot
+MONGO_TIMEOUT_SECONDS=10
+
+# Application Configuration
+ENV=DEVELOPMENT
+ADMIN_IDS=123456789,987654321
+SOURCE_COMMIT=unknown
+
+# Optional overrides
+APP_CACHE_SECONDS=600
+NUM_DAYS_WARNING_NOT_UPDATED=30
+SCHEDULE_CHECK_APP_TIME=0 7 * * *