Update deployment script to copy posts to new directory

Author: ph-value

.github/workflows/deploy.yml

@@ -27,9 +27,9 @@ jobs:
 
       - name: Copy posts to build/web/assets
         run: |
-              mkdir -p build/web/assets/post
-              cp -r post/. build/web/assets/post/
-              ls -al build/web/assets/post || true
+              mkdir -p build/web/post
+              cp -r post/. build/web/post/
+              ls -al build/web/post || true
 
       - name: Deploy to GitHub Pages
         uses: peaceiris/actions-gh-pages@v3