Add GitHub integration service and endpoints

Data/Engine/repositories/sqlite/__init__.py

@@ -11,6 +11,7 @@ from .connection import (
 )
 from .device_repository import SQLiteDeviceRepository
 from .enrollment_repository import SQLiteEnrollmentRepository
+from .github_repository import SQLiteGitHubRepository
 from .job_repository import SQLiteJobRepository
 from .migrations import apply_all
 from .token_repository import SQLiteRefreshTokenRepository
@@ -25,5 +26,6 @@ __all__ = [
     "SQLiteRefreshTokenRepository",
     "SQLiteJobRepository",
     "SQLiteEnrollmentRepository",
+    "SQLiteGitHubRepository",
     "apply_all",
 ]