Add compatibility check badges to READMEs. (#8288)

Author: ylil93

packages/google-cloud-talent/README.rst

@@ -1,12 +1,18 @@
 Python Client for Cloud Talent Solution API (`Alpha`_)
 ======================================================
 
+|compat_check_pypi| |compat_check_github|
+
 `Cloud Talent Solution API`_: Cloud Talent Solution provides the capability to create, read, update, and
 delete job postings, as well as search jobs based on keywords and filters.
 
 - `Client Library Documentation`_
 - `Product Documentation`_
 
+.. |compat_check_pypi| image:: https://python-compatibility-tools.appspot.com/one_badge_image?package=google-cloud-talent
+   :target: https://python-compatibility-tools.appspot.com/one_badge_target?package=google-cloud-talent
+.. |compat_check_github| image:: https://python-compatibility-tools.appspot.com/one_badge_image?package=git%2Bgit%3A//github.com/googleapis/google-cloud-python.git%23subdirectory%3Dtalent
+   :target: https://python-compatibility-tools.appspot.com/one_badge_target?package=git%2Bgit%3A//github.com/googleapis/google-cloud-python.git%23subdirectory%3Dtalent
 .. _Alpha: https://github.com/GoogleCloudPlatform/google-cloud-python/blob/master/README.rst
 .. _Cloud Talent Solution API: https://cloud.google.com/jobs
 .. _Client Library Documentation: https://googleapis.github.io/google-cloud-python/latest/talent/index.html