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/cmd/api-gateway/main.go

@@ -53,7 +53,9 @@ func main() {
 		"discover": cfg.DiscoverSvcURL,
 		"finance":  cfg.FinanceHeatmapURL,
 		"learning": cfg.LearningSvcURL,
+		"sandbox":  cfg.SandboxSvcURL,
 		"travel":   cfg.TravelSvcURL,
+		"medicine": cfg.MedicineSvcURL,
 		"admin":    cfg.AdminSvcURL,
 	}
 
@@ -140,8 +142,12 @@ func getTarget(path string) (base, rewrite string) {
 		return svcURLs["finance"], path
 	case strings.HasPrefix(path, "/api/v1/learning"):
 		return svcURLs["learning"], path
+	case strings.HasPrefix(path, "/api/v1/sandbox"):
+		return svcURLs["sandbox"], path
 	case strings.HasPrefix(path, "/api/v1/travel"):
 		return svcURLs["travel"], path
+	case strings.HasPrefix(path, "/api/v1/medicine"):
+		return svcURLs["medicine"], path
 	case strings.HasPrefix(path, "/api/v1/admin"):
 		return svcURLs["admin"], path
 	default: