Add Gitea Actions workflow for git-pages deployment

Adapts the sln-school-comparison pattern: builds Vite static site in CI,
then copies dist/ to a pages branch served by the git-pages webhook at
pages.civilytics.org/crdc-demo/

_config.yml

@@ -1,29 +1,7 @@
-# Git Pages (Jekyll) configuration — for self-hosted static site deployment.
-# Matches the civilytics.org hosting setup where you have a GitHub/GitLab Pages equivalent.
+# Git Pages configuration — for self-hosted static site deployment.
+# This file is informational; the actual build + deploy happens via .gitea/workflows/pages.yml.
+# The workflow builds the Vite app, then copies dist/ to a `pages` branch served by git-pages.
 
 title: CRDC Arrests API Demo
 description: "Explore school-based arrest rates by U.S. district with Bayesian model comparisons."
 author: Civilytics Consulting LLC
-
-# Exclude non-essential files from Jekyll processing
-exclude:
-  - node_modules
-  - .git
-  - .github
-  - Dockerfile
-  - docker-compose.yml
-  - src
-  - package.json
-  - package-lock.json
-  - vite.config.js
-  - eslint.config.*
-
-# Keep the static build output as-is (no Jekyll processing of JS/CSS)
-keep_files:
-  - dist/
-
-# Markdown settings for any docs pages
-markdown: kramdown
-kramdown:
-  syntax_highlighter_opts:
-    blockquote_plain_markdown: true