Add Galaxy repository API and clients

clients/python/src/mxgateway/__init__.py

@@ -2,6 +2,13 @@
 
 from .auth import ApiKey, auth_metadata
 from .client import GatewayClient
+from .galaxy import GalaxyRepositoryClient
+from .generated.galaxy_repository_pb2 import (
+    DeployEvent,
+    GalaxyAttribute,
+    GalaxyObject,
+    WatchDeployEventsRequest,
+)
 from .errors import (
     MxAccessError,
     MxGatewayAuthenticationError,
@@ -20,6 +27,10 @@ from .version import __version__
 __all__ = [
     "ApiKey",
     "ClientOptions",
+    "DeployEvent",
+    "GalaxyAttribute",
+    "GalaxyObject",
+    "GalaxyRepositoryClient",
     "GatewayClient",
     "MxAccessError",
     "MxGatewayAuthenticationError",
@@ -31,6 +42,7 @@ __all__ = [
     "MxGatewayWorkerError",
     "MxValueView",
     "Session",
+    "WatchDeployEventsRequest",
     "__version__",
     "auth_metadata",
     "from_mx_value",