Add useful package metadata

Signed-off-by: Nic Cope <[email protected]>

Author: negz

package/crossplane.yaml

@@ -3,4 +3,14 @@ apiVersion: meta.pkg.crossplane.io/v1beta1
 kind: Function
 metadata:
   name: function-patch-and-transform
+  annotation:
+    meta.crossplane.io/maintainer: Crossplane Maintainers <[email protected]>
+    meta.crossplane.io/source: github.com/crossplane-contrib/function-patch-and-transform
+    meta.crossplane.io/license: Apache-2.0
+    meta.crossplane.io/description: A patch & transform composition function
+    meta.crossplane.io/readme: |
+      This composition function does everything Crossplane's built-in
+      [patch & transform][https://docs.crossplane.io/v1.14/concepts/patch-and-transform/]
+      composition does. Instead of specifying `spec.resources` in your
+      Composition, you can use this function.
 spec: {}