style: blueprint consistency (#5392)

Author: krizalys

packages/@angular/cli/blueprints/ng/files/README.md

@@ -3,6 +3,7 @@
 This project was generated with [Angular CLI](https://github.com/angular/angular-cli) version <%= version %>.
 
 ## Development server
+
 Run `ng serve` for a dev server. Navigate to `http://localhost:4200/`. The app will automatically reload if you change any of the source files.
 
 ## Code scaffolding

packages/@angular/cli/blueprints/ng/files/gitignore

@@ -37,6 +37,6 @@ testem.log
 /e2e/*.js
 /e2e/*.map
 
-#System Files
+# System Files
 .DS_Store
 Thumbs.db