add README.md

Author: Wasin Waeosri

README.md

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+#Introduction
+This is an example project that shows how to implement TRKD REST Client with python
+- trkd_authen.py: An example application that shows how to authenticate with TRKD service
+
+
+#prerequisite
+The following softwares are required to use this script
+- Python 2.7.10
+- The [requests](http://docs.python-requests.org/en/master/) library 
+
+The script does not support Python 3!
+
+#how to run the script
+Run the script via the command line (or shell)
+```
+$>python <application>.py
+```
+
+
+#Optional - How to install requests
+The best way is to get the pip package management tool 
+1. export <Python_folder>\Scripts to your OS PATH environment
+2. call pip command to install lxml
+	```
+	$>pip install requests
+	```
+3. If you are behind proxy, set the proxy first
+	```
+	export https_proxy="http://<proxy.server>:<port>"
+	$>pip install requests
+	```
+#Releae Note
+- Version 1: 1 Sep 2016
+    - trkd_authen.py