add mysql to git bash code example

Example 1: how to run mysql in git bash

winpty mysql -u root

Example 2: mysql: command not found

Command not found error shown when the mysql.exe path is not set in environmental variables as PATH
or you do this by set the path from cmd

1. open cmd
2. set mysql path in cmd
>set path=c:\wamp\bin\mysql\mysql5.6.17\bin

Now you can check mysql commands