docs: fix deployment

Author: JasonShin

.github/workflows/deploy-gh-pages.yaml

@@ -25,12 +25,12 @@ jobs:
         run: npm run build
 
       - name: copies install.sh into the deployment folder
-        run: cp ../scripts/install.sh ./book/
+        run: cp ../scripts/install.sh ./build/
 
       - name: Deploy 🚀
         uses: JamesIves/[email protected]
         with:
           branch: gh-pages
-          folder: book/book
+          folder: book/build