Create CONTRIBUTING.md

Author: Anselmoo

CONTRIBUTING.md

@@ -0,0 +1,12 @@
+# Contributing
+---
+When contributing to this repository, please first discuss the change you wish to make via [issue](https://github.com/Anselmoo/bashplot/issues) or any other method with this repository owners before making a change.
+
+Please note we have a code of conduct. Please follow it in all your interactions with the project.
+
+## Pull Request Process
+---
+
+1. Ensure any install or build dependencies are removed before the end of the layer when doing a build.
+2. Ensure you are follwing the code style. 
+3. Update the `docstrings` and the [README.md](https://github.com/Anselmoo/bashplot/blob/master/README.md).