minecraft: manage sleep-most config via ConfigMap — single player sleep enabled

cluster/applications/minecraft/deployment.yaml

@@ -148,6 +148,10 @@ spec:
           volumeMounts:
             - name: world-data
               mountPath: /data
+            - name: sleep-most-config
+              mountPath: /data/plugins/sleep-most/config.yml
+              subPath: config.yml
+              readOnly: true
           resources:
             requests:
               cpu: "1"
@@ -180,3 +184,6 @@ spec:
         - name: world-data
           persistentVolumeClaim:
             claimName: papermc-world-data
+        - name: sleep-most-config
+          configMap:
+            name: sleep-most-config