Download instruction update

Author: neel1996

README.md

@@ -21,6 +21,8 @@
 
 - **Option - 1** Cloning repo from **github**
 
+**To be Noted :** The `master` branch contains the latest stable build of the project. For a reliable experience, always clone the repo from the master branch.
+
 ```
 
 $ git clone https://github.com/neel1996/gitconvex-package.git