feat: use gh-pages instead of GHA

Signed-off-by: Jack Yu <jack.yu@suse.com>

.github/workflows/deploy.yml

@@ -18,11 +18,24 @@ jobs:
         run: |
           yarn install --frozen-lockfile
           yarn build
-      # Popular action to deploy to GitHub Pages:
-      # Docs: https://github.com/peaceiris/actions-gh-pages#%EF%B8%8F-docusaurus
-      - name: Deploy to GitHub Pages
-        uses: peaceiris/actions-gh-pages@v3
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          # Build output to publish to the `gh-pages` branch:
-          publish_dir: ./build
+      - name: Set outputs
+        id: vars
+        run: | 
+          echo "sha_short=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
+          echo "username=$(git log -1 --pretty=format:'%an')" >> $GITHUB_OUTPUT
+          echo "email=$(git log -1 --pretty=format:'%ae')" >> $GITHUB_OUTPUT
+      - name: Deploy to gh-pages branch
+        run: |
+          npm install -g gh-pages
+          GITHUB_REPO_WITH_TOKEN=$(echo ${GITHUB_REPO_LINK} | sed "s/\/\//\/\/git:${GITHUB_TOKEN}@/g")
+          gh-pages -d build \
+                    -o origin \
+                    -m "deploy: ${COMMIT}" \
+                    -u "${AUTHOR_USER} <${AUTHOR_EMAIL}>" \
+                    -r ${GITHUB_REPO_WITH_TOKEN}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          AUTHOR_USER: ${{ steps.vars.outputs.username }}
+          AUTHOR_EMAIL: ${{ steps.vars.outputs.email }}
+          COMMIT: ${{ steps.vars.outputs.sha_short }}
+          GITHUB_REPO_LINK: "${{ github.server_url }}/${{ github.repository }}.git"