add more crossplane metadata

package/crossplane.yaml

@@ -3,4 +3,14 @@ kind: Provider
 metadata:
   name: provider-aviatrix
   annotations: 
-   meta.crossplane.io/description: Upbound Partner Provider for configuring Aviatrix Secure Multi Cloud functionality
+   meta.crossplane.io/description: Upbound Partner Provider for configuring Aviatrix Secure Multi Cloud functionality
+   meta.crossplane.io/license: Apache-2.0
+   meta.crossplane.io/maintainer: Aviatrix Maintainers
+   meta.crossplane.io/source: github.com/Aviatrix/crossplane-provider-aviatrix
+   meta.crossplane.io/readme: |
+      `provider-aviatrix` is the Crossplane infrastructure provider for [Aviatrix](https://aviatrix.com/).
+
+      If you encounter an issue please create an issue in
+      the
+      [Aviatrix/crossplane-provider-aviatrix](https://github.com/Aviatrix/crossplane-provider-aviatrix)
+      repo.