feat(k8s/paperless): add paperless-ngx stack (deployment scaled to 0 for data migration)

kubernetes/app/paperless/deployment-redis.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: paperless-redis
+  namespace: paperless
+  labels:
+    app: paperless-redis
+spec:
+  replicas: 1
+  strategy:
+    type: Recreate
+  selector:
+    matchLabels:
+      app: paperless-redis
+  template:
+    metadata:
+      labels:
+        app: paperless-redis
+    spec:
+      securityContext:
+        # redis image starts as root to set up permissions then drops to the redis user internally
+        seccompProfile:
+          type: RuntimeDefault
+      containers:
+        - name: redis
+          image: redis:8
+          env:
+            - name: TZ
+              value: Europe/Kyiv
+          ports:
+            - containerPort: 6379
+              name: redis
+          volumeMounts:
+            - name: data
+              mountPath: /data
+          resources:
+            requests:
+              cpu: 20m
+              memory: 64Mi
+            limits:
+              memory: 256Mi
+      volumes:
+        - name: data
+          persistentVolumeClaim:
+            claimName: paperless-redis