chore: add api_shortname and library_type to repo metadata (#12)

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

@@ -4,12 +4,13 @@
   "product_documentation": "https://cloud.google.com/migrate/compute-engine/",
   "client_documentation": "https://cloud.google.com/nodejs/docs/reference/vmmigration/latest",
   "issue_tracker": "https://github.com/googleapis/nodejs-vmmigration/issues",
-  "release_level": "beta",
+  "release_level": "preview",
   "language": "nodejs",
   "repo": "googleapis/nodejs-vmmigration",
   "distribution_name": "@google-cloud/vmmigration",
   "api_id": "vmmigration.googleapis.com",
   "default_version": "v1",
-  "requires_billing": true
+  "requires_billing": true,
+  "api_shortname": "vmmigration",
+  "library_type": "GAPIC_AUTO"
 }
-

packages/google-cloud-vmmigration/README.md

@@ -4,7 +4,7 @@
 
 # [Migrate for Compute Engine: Node.js Client](https://github.com/googleapis/nodejs-vmmigration)
 
-[![release level](https://img.shields.io/badge/release%20level-beta-yellow.svg?style=flat)](https://cloud.google.com/terms/launch-stages)
+
 [![npm version](https://img.shields.io/npm/v/@google-cloud/vmmigration.svg)](https://www.npmjs.org/package/@google-cloud/vmmigration)
 [![codecov](https://img.shields.io/codecov/c/github/googleapis/nodejs-vmmigration/main.svg?style=flat)](https://codecov.io/gh/googleapis/nodejs-vmmigration)
 
@@ -155,13 +155,12 @@ This library follows [Semantic Versioning](http://semver.org/).
 
 
 
-This library is considered to be in **beta**. This means it is expected to be
-mostly stable while we work toward a general availability release; however,
-complete stability is not guaranteed. We will address issues and requests
-against beta libraries with a high priority.
 
 
 
+This library is considered to be in **preview**. This means it is still a
+work-in-progress and under active development. Any release is subject to
+backwards-incompatible changes at any time.
 
 
 More Information: [Google Cloud Platform Launch Stages][launch_stages]