To improve readability, we added a line feed. (#43764)

* A line break was added.

<!--- Your description here -->

+label: docsite_pr

* "blank line contains whitespace" was fixed.

lib/ansible/modules/packaging/language/yarn.py

@@ -83,27 +83,33 @@ EXAMPLES = '''
   yarn:
     name: imagemin
     path: /app/location
+
 - name: Install "imagemin" node.js package on version 5.3.1
   yarn:
     name: imagemin
     version: '5.3.1'
     path: /app/location
+
 - name: Install "imagemin" node.js package globally.
   yarn:
     name: imagemin
     global: yes
+
 - name: Remove the globally-installed package "imagemin".
   yarn:
     name: imagemin
     global: yes
     state: absent
+
 - name: Install "imagemin" node.js package from custom registry.
   yarn:
     name: imagemin
     registry: 'http://registry.mysite.com'
+
 - name: Install packages based on package.json.
   yarn:
     path: /app/location
+
 - name: Update all packages in package.json to their latest version.
   yarn:
     path: /app/location