chore: generate python samples templates in owlbot.py (#58)

Generate python samples templates in owlbot.py

Author: busunkim96

packages/google-cloud-appengine-admin/owlbot.py

@@ -39,6 +39,7 @@
 # ----------------------------------------------------------------------------
 
 templated_files = common.py_library(cov_level=99, microgenerator=True)
+python.py_samples(skip_readmes=True)
 
 # the microgenerator has a good coveragerc file
 excludes = [".coveragerc"]