I doubt that's what you intended, and it's also general best practice for repositories on GitHub to have a license. The good folks at GitHub have created a tool to help you pick a license with instructions on how to apply it.
http://choosealicense.com/
Right now this repository lacks a license, and you retain all copyright.
This means that technically nobody else can use or modify this code. http://choosealicense.com/no-license/
I doubt that's what you intended, and it's also general best practice for repositories on GitHub to have a license. The good folks at GitHub have created a tool to help you pick a license with instructions on how to apply it. http://choosealicense.com/