[feat] add script to update the version number in github pages

.github/workflows/update-pages.yaml

@@ -0,0 +1,47 @@
+name: Update GitHub Pages Downloads
+
+on:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  update-pages:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout CrossDesk repo
+        uses: actions/checkout@v4
+
+      - name: Set version number
+        id: version
+        run: |
+          VERSION_NUM="${GITHUB_REF##*/}"
+          VERSION_NUM="${VERSION_NUM#v}"
+          echo "VERSION_NUM=${VERSION_NUM}" >> $GITHUB_ENV
+          echo "VERSION_NUM=${VERSION_NUM}" >> $GITHUB_OUTPUT
+
+      - name: Checkout Pages repo
+        uses: actions/checkout@v4
+        with:
+          repository: kunkundi/kunkundi.github.io
+          token: ${{ secrets.GH_PAGES_PAT }}
+          path: pages
+
+      - name: Update download links
+        run: |
+          cd pages
+          sed -i "s/crossdesk-win-x86_64-latest.exe/crossdesk-win-x86_64-${VERSION_NUM}.exe/g" index.html
+          sed -i "s/crossdesk-macos-x86_64-latest.pkg/crossdesk-macos-x86_64-${VERSION_NUM}.pkg/g" index.html
+          sed -i "s/crossdesk-macos-arm64-latest.pkg/crossdesk-macos-arm64-${VERSION_NUM}.pkg/g" index.html
+          sed -i "s/crossdesk-linux-x86_64-latest.deb/crossdesk-linux-x86_64-${VERSION_NUM}.deb/g" index.html
+
+      - name: Commit & Push changes
+        run: |
+          cd pages
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git add index.html
+          git commit -m "Update download links to v${VERSION_NUM}" || echo "No changes to commit"
+          git push origin main
+        env:
+          VERSION_NUM: ${{ env.VERSION_NUM }}