contributing: Add a skeleton contribution doc and license

We'll need this for OSS releasing.

Change-Id: I41d2538b16414c73fc541a76d2fc34af39d43a6f
3 files changed
tree: 517e21fe8b948acf4976a8bce763f41d216b17a0
  1. Contributing.md
  2. GettingStarted.md
  3. License.md