Add Hugo link page with Sveltia CMS admin

Content lives in data/profile.yaml and is edited as structured fields through Sveltia at /admin/, so the page is never hand-written HTML. The CMS bundle is vendored at a pinned version instead of loaded from unpkg, and the admin assets ship with the built site, so hosting and builds stay self-contained. PKCE sign-in activates once a Gitea OAuth application client ID is added to static/admin/config.yml.

.gitea/workflows/build.yml

@@ -0,0 +1,13 @@
+name: build
+on:
+  push:
+  pull_request:
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build
+        run: |
+          curl -fsSL https://github.com/gohugoio/hugo/releases/download/v0.168.0/hugo_0.168.0_linux-amd64.tar.gz | tar -xz -C /usr/local/bin hugo
+          hugo --minify --gc