chore: update GitHub Pages workflow and docs

Author: LessUp

.github/workflows/pages.yml

@@ -25,6 +25,14 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        with:
+          sparse-checkout-cone-mode: false
+          sparse-checkout: |
+            *.md
+            _config.yml
+            docs
+            changelog
+            LICENSE
 
       - name: Setup Pages
         uses: actions/configure-pages@v5