Переписал бота с NestJS/TypeScript на Rust

Стек: teloxide + sqlx + axum + tokio-cron-scheduler.
Вся логика перенесена: /start, /help, /settings, выбор частоты,
cron-рассылка цитат, admin API. Совместимость с существующей БД
сохранена (camelCase колонки). Старый TypeScript-код удалён.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Cargo.toml

@@ -0,0 +1,18 @@
+[package]
+name = "mental_health_bot"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+tokio = { version = "1", features = ["full"] }
+teloxide = { version = "0.13", features = ["macros"] }
+sqlx = { version = "0.8", features = ["postgres", "chrono", "migrate", "runtime-tokio-rustls"] }
+axum = "0.8"
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+chrono = { version = "0.4", features = ["serde"] }
+tokio-cron-scheduler = "0.13"
+dotenvy = "0.15"
+tracing = "0.1"
+tracing-subscriber = "0.3"
+rand = "0.8"