feat: add obsidian-remote UI for browsable vault in browser

sytone/obsidian-remote provides full Obsidian Desktop via noVNC.
Shares vault PVC with obsidian-server (REST API stays for memory system).
UI accessible at obsidian.riotpiao.com

k8s/app/obsidian-ui.yaml

@@ -0,0 +1,78 @@
+---
+# Obsidian Remote — Full Obsidian Desktop UI in browser via noVNC
+# Access at obsidian.riotpiao.com
+# Shares vault PVC with obsidian-server (REST API)
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: obsidian-ui
+  namespace: poimen
+  labels:
+    app.kubernetes.io/name: obsidian-ui
+    app.kubernetes.io/part-of: poimen-memory
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: obsidian-ui
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: obsidian-ui
+        app.kubernetes.io/part-of: poimen-memory
+    spec:
+      containers:
+      - name: obsidian-ui
+        image: ghcr.io/sytone/obsidian-remote:latest
+        ports:
+        - name: http
+          containerPort: 8080
+          protocol: TCP
+        volumeMounts:
+        - name: vault
+          mountPath: /vaults/poimen-vault
+        - name: config
+          mountPath: /config
+        resources:
+          requests:
+            cpu: 200m
+            memory: 512Mi
+          limits:
+            cpu: "1"
+            memory: 1Gi
+        readinessProbe:
+          httpGet:
+            path: /
+            port: http
+          initialDelaySeconds: 10
+          periodSeconds: 10
+        livenessProbe:
+          httpGet:
+            path: /
+            port: http
+          initialDelaySeconds: 30
+          periodSeconds: 30
+      volumes:
+      - name: vault
+        persistentVolumeClaim:
+          claimName: obsidian-vault
+      - name: config
+        emptyDir: {}
+
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: obsidian-ui
+  namespace: poimen
+  labels:
+    app.kubernetes.io/name: obsidian-ui
+spec:
+  type: ClusterIP
+  ports:
+  - name: http
+    port: 80
+    targetPort: 8080
+    protocol: TCP
+  selector:
+    app.kubernetes.io/name: obsidian-ui