feat: move quassel from deployment to statefulset

quassel/Chart.yaml

@@ -2,5 +2,5 @@ apiVersion: v2
 name: quassel
 description: Helm Chart for Quassel-Core
 type: application
-version: 1.0.3
+version: 1.1.0
 appVersion: "v0.14.0"

quassel/templates/deployment.yaml → quassel/templates/statefulset.yaml

 apiVersion: apps/v1
-kind: Deployment
+kind: StatefulSet
 metadata:
   name: {{ include "quassel-helm.fullname" . }}
   labels:
     {{- include "quassel-helm.labels" . | nindent 4 }}
 spec:
   replicas: {{ .Values.replicaCount }}
+  serviceName: {{ include "quassel-helm.fullname" . }}
   selector:
     matchLabels:
       {{- include "quassel-helm.selectorLabels" . | nindent 6 }}