docs: add cloudflare pages, cache rules docs and fix relative links

docs/operations/gitea-cloudflare-pages.md

@@ -102,3 +102,8 @@ If the `cloudflare/pages-action@v1` action is unavailable from Gitea, use the di
 - Multi-page SPA (`vite.config.ts`) produces three entry points — Cloudflare Pages serves them correctly.
 - For SPA fallback routing, add a `frontend/public/_redirects` file with `/* /index.html 200` before building.
 - If deployments fail with 403, verify the API token has `Account → Cloudflare Pages → Edit` permission.
+
+## Related resources
+
+- Cloudflare Workers dashboard: `https://dash.cloudflare.com/{accountId}/workers/services/view/linearvoid/production/settings` — for managing the `infrastructure/cloudflare/worker.js` deployment
+- Cloudflare Pages project: `https://dash.cloudflare.com/{accountId}/pages/view/linearvoid` — deployment history and custom domain settings