Add contributing documentation, satellites, and CLA check

* switch to MPL2
* add contributing documentation
* run on satellite

.github/workflows/ci.yml

@@ -28,4 +28,4 @@ jobs:
           mirrors = [\"registry-1.docker.io.mirror.corp.earthly.dev\"]'"
         if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name == github.repository
       - name: Run tests
-        run: earthly --ci -P +test
+        run: earthly --ci -P --org earthly-technologies --satellite lib +test

CONTRIBUTING.md

@@ -0,0 +1,15 @@
+# Contributing
+
+## Code of Conduct
+
+Please refer to the [CNCF Community Code of Conduct v1.0](https://github.com/cncf/foundation/blob/main/code-of-conduct.md)
+
+## CLA
+
+### Individual
+
+All contributions must indicate agreement to the [Earthly Contributor License Agreement](https://gist.github.com/vladaionescu/ed990fa149a38a53ac74b64155bc6766) by logging into GitHub via the CLA assistant and signing the provided CLA. The CLA assistant will automatically notify the PRs that require CLA signing.
+
+### Entity
+
+If you are an entity, please use the [Earthly Contributor License Agreement form](https://earthly.dev/cla-form) in addition to requiring your individual contributors to sign all contributions.