Update READMEs to fix numbering and add git clone [(#1464)](https://github.com/GoogleCloudPlatform/python-docs-samples/issues/1464)
Update READMEs to fix numbering and add git clone [(#1464)](https://github.com/GoogleCloudPlatform/python-docs-samples/issues/1464)


googleapis/python-translate,googleapis/python-translate