INIT(repo): add jovies, portfolio, todo apps

- Add ArgoCD Application definitions for each app
- Add Kubernetes Deployment, Service, Ingress for each app
- Add ExternalSecret for todo (Vault integration)
- Configure Traefik ingress with Let's Encrypt TLS

Domains:
- jovies.kro.kr
- minjo0213.kro.kr
- todo0213.kro.kr

portfolio/service.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: portfolio
+  labels:
+    app: portfolio
+spec:
+  type: ClusterIP
+  ports:
+  - name: http
+    port: 80
+    targetPort: 3000
+    protocol: TCP
+  selector:
+    app: portfolio