Check & fix git repository integrity (#2245)

* Check & fix git repository integrity

* fix typing

* New style error handling

* Fix return

* tag more issue

* Fix black

supervisor/exceptions.py

@@ -295,7 +295,18 @@ class ResolutionNotFound(ResolutionError):
     """Raise if suggestion/issue was not found."""
 
 
-# Job
+# Store
+
+
+class StoreError(HassioError):
+    """Raise if an error on store is happening."""
+
+
+class StoreGitError(StoreError):
+    """Raise if something on git is happening."""
+
+
+# JobManager
 
 
 class JobException(HassioError):