docs: connect Python Translate client library to nebulous serverless example (#162)

Not adding new code but linking to another repo with a sample app using this API as another sample for users; added folder with README per @busunkim96

Author: wescpy

README.rst

@@ -82,4 +82,25 @@ Windows
  pip install virtualenv
  virtualenv <your-env>
  <your-env>\Scripts\activate
- <your-env>\Scripts\pip.exe install google-cloud-translate
+ <your-env>\Scripts\pip.exe install google-cloud-translate
+
+Samples
+-----------
+
+The `samples folder`_ contains all of the Cloud Translation API code snippets
+found in `its documentation`_ as well as complete sample apps:
+
+- `Mini Google Translate "MVP"`_ app
+
+ - Shows how to use the API in a Python/Flask web app
+ - Deployable locally or any on-prem or cloud host supporting Flask apps
+ - Also deployable to `Google Cloud serverless hosting platforms`_ (`App Engine`_, `Cloud Functions`_, or `Cloud Run`_) with only minor configuration changes
+
+.. _samples folder: samples
+.. _its documentation: https://cloud.google.com/translate/docs
+.. _Mini Google Translate "MVP": https://github.com/googlecodelabs/cloud-nebulous-serverless-python
+.. _Google Cloud serverless hosting platforms: https://cloud.google.com/serverless#serverless-products
+.. _App Engine: https://cloud.google.com/appengine
+.. _Cloud Functions: https://cloud.google.com/functions
+.. _Cloud Run: https://cloud.google.com/run
+

samples/cloud-nebulous-serverless-python/README.md

@@ -0,0 +1 @@
+This sample can be found at <https://github.com/googlecodelabs/cloud-nebulous-serverless-python>.