add hugo deploy workflow

.gitea/workflows/deploy-hugo.yaml

@@ -0,0 +1,24 @@
+name: Deploy Hugo Site
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  deploy:
+    runs-on: self-hosted
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Setup Hugo
+        uses: peaceiris/actions-hugo@v2
+        with:
+          hugo-version: '0.147'  # specify your Hugo version
+
+      - name: Build Hugo site
+        run: hugo --destination /home/pim/website-live
+
+      - name: Sync to live
+        run: rsync -av --delete ./public/ /home/pim/website-live/