Governance docs per CE PR 1226 (#565)

Signed-off-by: Doug Davis <dug@microsoft.com>

Author: duglin

MAINTAINERS.md

@@ -0,0 +1,9 @@
+# Maintainers
+
+Current active maintainers of this SDK:
+
+- [Lance Ball](https://github.com/lance)
+- [Daniel Bevenius](https://github.com/danbev)
+- [Lucas Holmquist](https://github.com/lholmquist)
+- [Fabio Jose](https://github.com/fabiojose)
+- [Helio Frota](https://github.com/helio-frota)

README.md

@@ -258,3 +258,10 @@ how SDK projects are
 for how PR reviews and approval, and our
 [Code of Conduct](https://github.com/cloudevents/spec/blob/master/community/GOVERNANCE.md#additional-information)
 information.
+
+## Additional SDK Resources
+
+- [List of current active maintainers](MAINTAINERS.md)
+- [How to contribute to the project](CONTRIBUTING.md)
+- [SDK's License](LICENSE)
+- [SDK's Release process](RELEASING.md)