(docs) cleanup

Author: antoine92190

README.md

@@ -880,20 +880,16 @@ npm install --save vue
 yarn add --save vue
 ```
 
-<br>
-
 ### React Setup
 
 See demo repository: https://github.com/antoine92190/vue-advanced-chat-sandbox/tree/react
 
-<br>
-
 ### Angular Setup
 
 See demo repository: https://github.com/antoine92190/vue-advanced-chat-sandbox/tree/angular
 
 ```json
-// angular.json
+/* angular.json */
 
 "build": {
   "scripts": [