Add README

Change-Id: I23d89dea6f658a7aec592290a5af0643f654a7de

Author: Jon Wayne Parrott

translate/cloud-client/README.md

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+<img src="https://avatars2.githubusercontent.com/u/2810941?v=3&s=96" alt="Google Cloud Platform logo" title="Google Cloud Platform" align="right" height="96" width="96"/>
+
+# Google Translate API Python Samples
+
+With the [Google Translate API][translate_docs], you can dynamically translate
+text between thousands of language pairs.
+
+[translate_docs]: https://cloud.google.com/translate/docs/
+
+## Table of Contents
+
+* [Setup](#setup)
+* [Samples](#samples)
+  * [Translate](#translate)
+
+## Setup
+
+Install dependencies:
+
+    virtualenv env
+    source env/bin/activate
+    pip install -r requirements.txt
+
+## Samples
+
+### Translate
+
+View the [documentation][translate_docs] or the [source code][translate_code].
+
+__Usage:__ `python snippets.py --help`
+
+```
+usage: snippets.py [-h]
+                   api_key
+                   {detect-language,list-languages,list-languages-with-target,translate-text}
+                   ...
+
+This application demonstrates how to perform basic operations with the
+Google Cloud Translate API
+
+For more information, the documentation at
+https://cloud.google.com/translate/docs.
+
+positional arguments:
+  api_key               Your API key.
+  {detect-language,list-languages,list-languages-with-target,translate-text}
+    detect-language     Detects the text's language.
+    list-languages      Lists all available langauges.
+    list-languages-with-target
+                        Lists all available langauges and localizes them to
+                        the target language. Target must be an ISO 639-1
+                        language code.
+    translate-text      Translates text into the target language. Target must
+                        be an ISO 639-1 language code.
+
+optional arguments:
+  -h, --help            show this help message and exit
+```
+
+[translate_docs]: https://cloud.google.com/translate/docs
+[translate_code]: snippets.py