feat: initialize project structure with configuration, logging, and Telegram integration

- Added configuration loading from environment variables with default session path handling.
- Implemented a logger using Uber's zap library.
- Created a basic HTTP server with Gin and CORS support.
- Established Telegram client and service for message retrieval.
- Introduced initial API routes and handlers.
- Added necessary dependencies in go.sum.

internal/rss/generator.go

@@ -0,0 +1 @@
+package rss