Apps: Add Example App to ./apps (#112069)

* [API Server] Add Example App for reference use.

* Remove Printlns.

* Upgrade app-sdk to v0.46.0, update apps to handle breaking changes.

* Only start the reconciler for the example app if the v1alpha1 API version is enabled.

* Some comment doc updates.

* Run make update-workspace

* Set codeowner for /apps/example

* Run make gofmt and make update-workspace

* Run prettier on apps/example/README.md

* Add COPY apps/example to Dockerfile

* Add an authorizer to the example app.

* Fix import ordering.

* Update apps/example/kinds/manifest.cue

Co-authored-by: Owen Diehl <ow.diehl@gmail.com>

* Run make update-workspace

* Re-run make gen-go for enterprise import updates

* Run make update-workspace

---------

Co-authored-by: Owen Diehl <ow.diehl@gmail.com>

apps/example/kinds/example_v0alpha1.cue

@@ -0,0 +1,15 @@
+package kinds
+
+// This is the v0alpha1 version of the kind. Please see v1alpha1 for more complete comments
+// and a more complex schema and set of capabilities.
+examplev0alpha1: exampleKind & {
+    schema: {
+        // Spec is the schema of our resource. The spec should include all the user-editable information for the kind.
+        spec: {
+            firstField: int
+        }
+        status: {
+        	lastObservedGeneration: int64
+        }
+    }
+}