REFACTOR(repo): simplify project structure

- Move services/nextjs/ to nextjs/
- Move Dockerfile.prod to Dockerfile at root
- Remove deploy/ folder (K8s manifests moved to K3S-HOME/web-apps)
- Remove .gitea/ workflows
- Update GitHub Actions for new structure
- Remove develop branch triggers

nextjs/public/fonts/generated-fonts.css

@@ -0,0 +1,8 @@
+@font-face {
+  font-family: 'SupremeLLTT-Book';
+  src: url('/fonts/brand/SupremeLLTT-Book.woff2') format('woff2');
+}
+.font-brand-book {
+  font-family: 'SupremeLLTT-Book', sans-serif;
+}
+