Add description for Reusable Blocks (#9175)

* add description to reusable block settings obj

Addresses #8345

* tabs, not spaces smh phpstorm

* second pass based on feedback

* another simplification

* another iteration

* better typeography, avoid need for escaping

packages/block-library/src/block/index.js

@@ -12,8 +12,11 @@ export const name = 'core/block';
 
 export const settings = {
 	title: __( 'Reusable Block' ),
+
 	category: 'reusable',
 
+	description: __( 'Create content, and save it to reuse across your site. Update the block, and the changes apply everywhere it’s used.' ),
+
 	attributes: {
 		ref: {
 			type: 'number',