Add "Sitemap Generator" action

Author: 29th-Day

.github/workflows/sitemap.yml

@@ -0,0 +1,30 @@
+name: Sitemap Generator
+
+on:
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+jobs:
+  generate_sitemap:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v5
+        with:
+          fetch-depth: 0
+      - name: Generate Sitemap
+        uses: cicirello/generate-sitemap@v1
+        with:
+          base-url-path: https://rust-wiiu.github.io/
+          sitemap-format: xml
+          output-path: sitemap.xml
+      - name: Commit and push
+        uses: actions/checkout@v5
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
+          git add sitemap.xml
+          git commit -m "Generate sitemap.xml"
+          git push