Export catalog components to match docs

Signed-off-by: Tim Hansen <timbonicus@gmail.com>

.changeset/chilly-owls-punch.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-catalog': patch
+---
+
+Exports `CatalogLayout` and `CreateComponentButton` for catalog customization.

plugins/catalog/src/components/CatalogPage/CatalogLayout.tsx

@@ -21,7 +21,7 @@ type Props = {
   children?: React.ReactNode;
 };
 
-const CatalogLayout = ({ children }: Props) => {
+export const CatalogLayout = ({ children }: Props) => {
   const orgName =
     useApi(configApiRef).getOptionalString('organization.name') ?? 'Backstage';
 

plugins/catalog/src/components/CatalogPage/index.ts

@@ -13,4 +13,5 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+export { CatalogLayout } from './CatalogLayout';
 export { CatalogPage } from './CatalogPage';

plugins/catalog/src/index.ts

@@ -15,8 +15,10 @@
  */
 
 export * from './components/AboutCard';
+export { CatalogLayout } from './components/CatalogPage';
 export { CatalogResultListItem } from './components/CatalogResultListItem';
 export { CatalogTable } from './components/CatalogTable';
+export { CreateComponentButton } from './components/CreateComponentButton';
 export { EntityLayout } from './components/EntityLayout';
 export * from './components/EntityOrphanWarning';
 export { EntityPageLayout } from './components/EntityPageLayout';