Add extensive typing to controller directory (#7731)

Co-authored-by: openhands <openhands@all-hands.dev>
Co-authored-by: Ray Myers <ray.myers@gmail.com>
Co-authored-by: Xingyao Wang <xingyao@all-hands.dev>

openhands/integrations/github/github_service.py

@@ -46,7 +46,7 @@ class GitHubService(BaseGitService, GitService):
     @property
     def provider(self) -> str:
         return ProviderType.GITHUB.value
-    
+
     async def _get_github_headers(self) -> dict:
         """Retrieve the GH Token from settings store to construct the headers."""
         if not self.token: