Merge pull request #947 from lsviben/update-v2-preview-with-v2-xrd

update v2 preview with v2 XRD

Author: turkenh

content/v2.0-preview/get-started/get-started-with-composition.md

@@ -121,7 +121,7 @@ Create this _composite resource definition_ (XRD) to define the schema of the
 new `App` composite resource (XR).
 
 ```yaml
-apiVersion: apiextensions.crossplane.io/v2alpha1
+apiVersion: apiextensions.crossplane.io/v2
 kind: CompositeResourceDefinition
 metadata:
   name: apps.example.crossplane.io

content/v2.0-preview/whats-new/_index.md

@@ -89,10 +89,10 @@ which are just "Crossplane stuff" they can ignore.
 {{</hint>}}
 
 Composite resource definitions (XRDs) now have a `scope` field. The `scope`
-field defaults to `Namespaced` in the new v2alpha1 version of the XRD API.
+field defaults to `Namespaced` in the new v2 version of the XRD API.
 
 ```yaml
-apiVersion: apiextensions.crossplane.io/v2alpha1
+apiVersion: apiextensions.crossplane.io/v2
 kind: CompositeResourceDefinition
 metadata:
   name: apps.example.crossplane.io