Added in CONTRIBUTING.md

Added in CONTRIBUTING.md and gave it a basic form. This include topics
such as contributing, expectations and resources.
It’s not complete, but should be viewed as an initial platform.

CONTRIBUTING.md

@@ -0,0 +1,29 @@
+## Contributing
+### Creating issues
+If you find a big issue or even a small misspelling, please let us know! You can create an Issue [over here.](https://github.com/pferretti/docsforkindle/issues)
+* **Before** you raise an issue, please check if it already exists. If so, just add a comment or +1.
+* Add a useful title. Something like "Lots of spelling errors in AUTHORS.md".
+* Add a useful description. The more specific details, replication steps and images, the better.
+
+### Creating pull requests
+If you want to contribute, please feel free to make a pull request! Much like raising an issue, please be clear about what you'd like to contribute.
+* Add a useful title. Something like "Fixed lots of spelling errors in AUTHORS.md".
+* Add a useful description. Add in specific details, what your goal is (if it's not obvious), images if it will help convey the change.
+
+### Give yourself credit
+If you've contributed something large or small, please add in your name and contact details to CONTRIBUTING.md. Just copy an existing line and put in your own details.
+
+****
+
+## Expectations
+### Behavioral
+Be polite and respectful, there are no exceptions to this. Every interaction should help achieve a positive and productive environment for everyone.
+
+****
+
+## Resources (placeholder)
+### Documents
+
+### Mailing list
+
+### Code of conduct