feat: added m string

music_kraken/utils/exception/__init__.py

@@ -1 +1,11 @@
-__all__ = ["config"]
+class MKBaseException(Exception):
+    def __init__(self, message: str = None, **kwargs) -> None:
+        self.message = message
+        super().__init__(message, **kwargs)
+
+
+class MKFrontendException(MKBaseException):
+    pass
+
+class MKInvalidInputException(MKFrontendException):
+    pass