Add JobManager and Job decorator (#2225)

* Adds condition decorator to block execution that require internet

* Fix exsisting tests

* Add internet state to network info

* Add healthy condition

* Add tests

* It's all changed

* rename

supervisor/exceptions.py

@@ -293,3 +293,10 @@ class ResolutionError(HassioError):
 
 class ResolutionNotFound(ResolutionError):
     """Raise if suggestion/issue was not found."""
+
+
+# Job
+
+
+class JobException(HassioError):
+    """Base job exception."""