chore: add api_shortname and library_type to repo metadata (#99)

packages/google-cloud-managedidentities/.repo-metadata.json

@@ -2,13 +2,15 @@
   "client_documentation": "https://cloud.google.com/nodejs/docs/reference/managed-identities/latest",
   "api_id": "managedidentities.googleapis.com",
   "distribution_name": "@google-cloud/managed-identities",
-  "release_level": "GA",
+  "release_level": "stable",
   "default_version": "v1beta1",
   "language": "nodejs",
   "name_pretty": "Managed Service for Microsoft Active Directory",
   "repo": "googleapis/nodejs-managed-identities",
   "product_documentation": "https://cloud.google.com/managed-microsoft-ad/",
   "requires_billing": true,
   "name": "managedidentities",
-  "issue_tracker": "https://github.com/googleapis/nodejs-managed-identities/issues"
+  "issue_tracker": "https://github.com/googleapis/nodejs-managed-identities/issues",
+  "api_shortname": "managedidentities",
+  "library_type": "GAPIC_AUTO"
 }

packages/google-cloud-managedidentities/README.md

@@ -4,7 +4,7 @@
 
 # [Managed Service for Microsoft Active Directory: Node.js Client](https://github.com/googleapis/nodejs-managed-identities)
 
-[![release level](https://img.shields.io/badge/release%20level-general%20availability%20%28GA%29-brightgreen.svg?style=flat)](https://cloud.google.com/terms/launch-stages)
+
 [![npm version](https://img.shields.io/npm/v/@google-cloud/managed-identities.svg)](https://www.npmjs.org/package/@google-cloud/managed-identities)
 [![codecov](https://img.shields.io/codecov/c/github/googleapis/nodejs-managed-identities/main.svg?style=flat)](https://codecov.io/gh/googleapis/nodejs-managed-identities)
 
@@ -126,6 +126,11 @@ This library follows [Semantic Versioning](http://semver.org/).
 
 
 
+This library is considered to be **stable**. The code surface will not change in backwards-incompatible ways
+unless absolutely necessary (e.g. because of critical security issues) or with
+an extensive deprecation period. Issues and requests against **stable** libraries
+are addressed with the highest priority.
+