Add manage all custom patterns command

packages/core-commands/src/manage-reusable-blocks-command.js

@@ -0,0 +1,17 @@
+/**
+ * WordPress dependencies
+ */
+import { useCommand } from '@wordpress/commands';
+import { __ } from '@wordpress/i18n';
+import { external } from '@wordpress/icons';
+
+export function useManageReusableBlocksCommand() {
+	useCommand( {
+		name: 'core/manage-reusable-blocks',
+		label: __( 'Manage all custom patterns' ),
+		callback: () => {
+			document.location.href = 'edit.php?post_type=wp_block';
+		},
+		icon: external,
+	} );
+}

packages/core-commands/src/private-apis.js

@@ -2,11 +2,13 @@
  * Internal dependencies
  */
 import { useAddPostTypeCommands } from './add-post-type-commands';
+import { useManageReusableBlocksCommand } from './manage-reusable-blocks-command';
 import { useSiteEditorNavigationCommands } from './site-editor-navigation-commands';
 import { lock } from './lock-unlock';
 
 function useCommands() {
 	useAddPostTypeCommands();
+	useManageReusableBlocksCommand();
 	useSiteEditorNavigationCommands();
 }