Update markdown-link-check.yml

Change main docs directory for checking links

Author: kenrogers

.github/workflows/markdown-link-check.yml

@@ -21,5 +21,5 @@ jobs:
       uses: gaurav-nelson/github-action-markdown-link-check@v1
       with:
         use-verbose-mode: 'yes'
-        folder-path: 'docs/'
-        config-file: '.github/workflows/.markdown-link-check_config.json'
+        folder-path: './'
+        config-file: '.github/workflows/.markdown-link-check_config.json'