CONTRIBUTING.md added

CONTRIBUTING.md

@@ -0,0 +1,28 @@
+Contributing
+================================================================================
+
+If you want to contribute to the [linux-insides](https://github.com/0xAX/linux-insides), you can do it with following simple rules:
+
+1. Press fork button:
+
+![fork](http://oi58.tinypic.com/jj2trm.jpg)
+
+2. Clone the repo from your account with:
+
+```
+git clone git@github.com:your_github_username/linux-insides.git
+```
+
+3. Create branch with:
+
+```
+git checkout -b "linux-bootstrap-1-fix"
+```
+
+And make your changes.
+
+**IMPORTANT**
+
+Please, do the actual changes. While you made your changes, I can merge changes from somebody else and your changes can conflict with `master` branch content. Please rebase on master everytime before you're going to push your changes and check that your branch doensn't conflict with `master`.
+
+Thank you.