feat: CI/CD pipeline + Learning/Medicine/Travel services

- Add Gitea Actions workflow for automated build & deploy
- Add K8s manifests: webui, travel-svc, medicine-svc, sandbox-svc
- Update kustomization for localhost:5000 registry
- Add ingress for gooseek.ru and api.gooseek.ru
- Learning cabinet with onboarding, courses, sandbox integration
- Medicine service with symptom analysis and doctor matching
- Travel service with itinerary planning
- Server setup scripts (NVIDIA/CUDA, K3s, Gitea runner)

Made-with: Cursor

backend/webui/next.config.mjs

@@ -5,6 +5,7 @@ const nextConfig = {
   env: {
     API_URL: process.env.API_URL || 'http://localhost:3015',
     NEXT_PUBLIC_TWOGIS_API_KEY: process.env.NEXT_PUBLIC_TWOGIS_API_KEY || process.env.TWOGIS_API_KEY || '',
+    NEXT_PUBLIC_ENABLED_ROUTES: process.env.NEXT_PUBLIC_ENABLED_ROUTES || '',
   },
 };