feat: release to beta (#15)

Author: busunkim96

README.rst

@@ -1,14 +1,21 @@
-Python Client for Cloud Billing Budget API (`Alpha`_)
+Python Client for Cloud Billing Budget API
 =====================================================
 
+|beta| |pypi| |versions| 
+
 `Cloud Billing Budget API`_: The Cloud Billing Budget API stores Cloud Billing budgets, which define a
 budget plan and the rules to execute as spend is tracked against that
 plan.
 
 - `Client Library Documentation`_
 - `Product Documentation`_
 
-.. _Alpha: https://github.com/googleapis/google-cloud-python/blob/master/README.rst
+.. |beta| image:: https://img.shields.io/badge/support-beta-orange.svg
+ :target: https://github.com/googleapis/google-cloud-python/blob/master/README.rst#beta-support
+.. |pypi| image:: https://img.shields.io/pypi/v/google-cloud-billingbudgets.svg
+ :target: https://pypi.org/project/google-cloud-billingbudgets
+.. |versions| image:: https://img.shields.io/pypi/pyversions/google-cloud-billingbudgets.svg
+ :target: https://pypi.org/project/google-cloud-billingbudgets/
 .. _Cloud Billing Budget API: https://cloud.google.com/billing/docs/how-to/budget-api-overview
 .. _Client Library Documentation: https://googleapis.dev/python/billingbudgets/latest
 .. _Product Documentation: https://cloud.google.com/billing/docs/how-to/budget-api-overview
@@ -70,8 +77,8 @@ Next Steps
  API to see other available methods on the client.
 - Read the `Cloud Billing Budget API Product documentation`_ to learn
  more about the product and see How-to Guides.
-- View this `repository’s main README`_ to see the full list of Cloud
+- View this `README`_ to see the full list of Cloud
  APIs that we cover.
 
 .. _Cloud Billing Budget API Product documentation: https://cloud.google.com/billing/docs/how-to/budget-api-overview
-.. _repository’s main README: https://github.com/googleapis/google-cloud-python/blob/master/README.rst
+.. _README: https://github.com/googleapis/google-cloud-python/blob/master/README.rst

setup.py

@@ -23,7 +23,7 @@
 name = "google-cloud-billing-budgets"
 description = "Cloud Billing Budget API API client library"
 version = "0.2.0"
-release_status = "Development Status :: 3 - Beta"
+release_status = "Development Status :: 4 - Beta"
 dependencies = [
  "google-api-core[grpc] >= 1.14.0, < 2.0.0dev",
  'enum34; python_version < "3.4"',