Merge pull request #4 from microbit-foundation/contributing

Create CONTRIBUTING.MD

Author: microbit-pauline

CONTRIBUTING.MD

@@ -0,0 +1,17 @@
+# Contributing
+
+Thanks for looking here! We'd love your help. The micro:bit project is only
+possible through contributions of companies and individuals around the world.
+
+This project is managed on GitHub, and the best way to contribute is to jump in
+and fix/file issues. PRs to fix issues are welcome.
+
+https://github.com/microbit-foundation/pxt-power
+
+
+### Edit this project in MakeCode
+
+The MakeCode editor has a built in [GitHub integration](https://makecode.microbit.org/github) to edit code.
+- Open https://makecode.microbit.org/
+- Click on Import then click on Import URL
+- Paste https://github.com/microbit-foundation/pxt-power and click import