Governance docs per CE PR 1226 (#53)

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

MAINTAINERS.md

@@ -0,0 +1,9 @@
+# Maintainers
+
+Current active maintainers of this SDK:
+
+- [William Lam](https://github.com/lamw)
+- [Mark Peek](https://github.com/markpeek
+- [Dimitar Milov](https://github.com/dmilov)
+- [Michael Gasch](https://github.com/embano1)
+- [Simeon Gerginov](https://github.com/SimeonGerginov)

OWNERS

@@ -1,7 +0,0 @@
-admins:
-- lamw
-- markpeek
-- dmilov
-- embano1
-- SimeonGerginov
-approvers:

README.md

@@ -1,5 +1,7 @@
 # PowerShell 7.0 SDK for CloudEvents based on [.NET SDK for CloudEvents](https://github.com/cloudevents/sdk-csharp)
 
+Official CloudEvents SDK to integrate your application with CloudEvents.
+
 ## Status
 
 Supported CloudEvents versions:
@@ -186,3 +188,10 @@ 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)