Added initial CONTRIBUTING.md guidness for rust-lang#11

Author: TheDan64

.github/CONTRIBUTING.md

@@ -0,0 +1,34 @@
+# Contributing to Inkwell
+
+Hello there! Thank you for taking interest in Inkwell!
+
+## Found a Bug?
+
+* Please ensure the bug was not already reported by searching our [issue tracker](https://github.com/TheDan64/inkwell/issues).
+* If you're unable to find an open issue relating to the problem, please file an [issue](https://github.com/TheDan64/inkwell/issues/new).
+
+<!--- * Please use the issue template to create the issue --->
+
+## Want to Submit a Pull Request?
+
+* Please ensure your PR follows these guidelines:
+
+### Required
+
+* My code follows the code style of this project
+* I have added documentation and doc tests to any new functions or types
+* I have updated documentation and doc tests to any modified functions or types as applicable
+* I have added tests to cover my changes
+* All new and existing tests passed
+
+### Desired
+
+* I have ran clippy and updated portions of code pertaining to my changes
+
+## Got Questions?
+
+Please attempt to ask your question at our [Gitter Chat Room](https://gitter.im/inkwell-rs/Lobby). If no one gets back to you in a day or so, feel free to open up an issue.
+
+Thanks!!
+
+Inkwell Team