Content Linter Rule - Whitespace (#52622)

Co-authored-by: Rachael Sewell <rachmari@github.com>

src/content-linter/style/github-docs.js

@@ -161,6 +161,12 @@ const githubDocsConfig = {
     'partial-markdown-files': true,
     'yml-files': true,
   },
+  'liquid-tag-whitespace': {
+    // GHD042
+    severity: 'error',
+    'partial-markdown-files': true,
+    'yml-files': true,
+  },
 }
 
 export const githubDocsFrontmatterConfig = {