Add configuration and database setup

- Updated Cargo.toml with necessary dependencies
- Enhanced config.rs with database and application configuration
- Updated main.rs with improved bot initialization
- Added development database file

Cargo.toml

@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-teloxide = { version = "0.17.0", features = ["macros"] }
+teloxide = { version = "0.17.0", features = ["macros", "ctrlc_handler"] }
 tokio = { version = "1.0", features = ["macros", "rt-multi-thread"] }
 sqlx = { version = "0.8.6", features = [
     "runtime-tokio-rustls",