All: Add docs job to publish to googleapis.dev. (#8464)


diff --git a/docs/operations_client.rst b/docs/operations_client.rst
new file mode 100644
index 0000000..be466d3
--- /dev/null
+++ b/docs/operations_client.rst
@@ -0,0 +1,6 @@
+Long-Running Operations Client
+==============================
+
+.. automodule:: google.api_core.operations_v1
+  :members:
+  :show-inheritance: