feat!: add telegram auth and async refactor

- Removed "/schedule/update-download-url" endpoint, this mechanism was replaced by Yandex Cloud FaaS. Ура :)
- Improved schedule caching mechanism.
- Added Telegram WebApp authentication support.
- Reworked endpoints responses and errors mechanism.
- Refactored application state management.
- Make synchronous database operations, middlewares and extractors to asynchronous.
- Made user password field optional to support multiple auth methods.
- Renamed users table column "version" to "android_version" and made it nullable.

Cargo.toml

@@ -35,11 +35,16 @@ serde_json = "1.0.140"
 serde_with = "3.12.0"
 sha1 = "0.11.0-pre.5"
 tokio = { version = "1.44.1", features = ["macros", "rt-multi-thread"] }
-rand = "0.9.0"
 utoipa = { version = "5", features = ["actix_extras", "chrono"] }
 utoipa-rapidoc = { version = "6.0.0", features = ["actix-web"] }
 utoipa-actix-web = "0.1"
 uuid = { version = "1.16.0", features = ["v4"] }
+ed25519-dalek = "2.1.1"
+hex-literal = "1.0.0"
+log = "0.4.26"
+base64 = "0.22.1"
+percent-encoding = "2.3.1"
+ua_generator = "0.5.16"
 
 [dev-dependencies]
 actix-test = { path = "actix-test" }