fix changelog spacing

Author: bradlc

CHANGELOG.md

@@ -12,13 +12,15 @@
 - Class names from `@tailwind base` are now included (by default `@tailwind base` does not include any class names but plugins may contribute them)
 - Color swatches can now be displayed for rules with multiple properties and/or colors with variable alpha (#113)
 - Added `tailwindCSS.includeLanguages` setting:
+
   ```json
   {
     "tailwindCSS.includeLanguages": {
       "plaintext": "html"
     }
   }
   ```
+
   This setting allows you to add additional language support. The key of each entry is the new language ID and the value is any one of the extensions built-in languages, depending on how you want the new language to be treated (e.g. `html`, `css`, or `javascript`)
 
 ### HTML
@@ -40,6 +42,7 @@
 ### JS(X)
 
 - Completions now trigger when using backticks (#50, #93):
+
   ```js
   const App = () => <div className={`_
   ```