feat: 1-to-1 message render + web data-lake backend

backend/src/utils/env.py

@@ -34,6 +34,7 @@ class TelegramSettings(BaseSettings):
 class ApiSettings(BaseSettings):
     host: str = "0.0.0.0"  # noqa: S104
     port: int = 8080
+    static_dir: str = "static"
 
 
 class AuthSettings(BaseSettings):