feat: add collabora deployment and services for Nextcloud integration

cluster/apps/nextcloud/collabora.yml

@@ -0,0 +1,29 @@
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: collabora
+  namespace: default
+spec:
+  selector:
+    matchLabels:
+      app: collabora
+  template:
+    metadata:
+      labels:
+        app: collabora
+    spec:
+      containers:
+      - name: collabora
+        image: collabora/code:24.04.13.3.1
+        ports:
+        - containerPort: 9980
+        env:
+        - name: aliasgroup1
+          value: "https://nextcloud.akshun-lab.uk"
+        - name: aliasgroup2
+          value: "https://nextcloud-int-service:9980"
+        securityContext:
+          capabilities:
+            add:
+              - MKNOD