进一步的 kvmd 国际化（汉化）支持，添加配置入口

yaml 配置示例：
```
languages:
    console: zh
    web: zh
```

kvmd/plugins/auth/http.py

@@ -32,7 +32,7 @@ from ...logging import get_logger
 
 from ... import htclient
 
-from ...lanuages import Lanuages
+from ...languages import Languages
 
 from . import BaseAuthService
 
@@ -91,7 +91,7 @@ class Plugin(BaseAuthService):
                 htclient.raise_not_200(response)
                 return True
         except Exception:
-            get_logger().exception(Lanuages().gettext("Failed HTTP auth request for user %r"), user)
+            get_logger().exception(Languages().gettext("Failed HTTP auth request for user %r"), user)
             return False
 
     async def cleanup(self) -> None: