Add readOnly option to custom Storage GUI

dev/phpmyadmin/1.1.1/questions.yaml

@@ -7,7 +7,7 @@ groups:
     description: "additional container configuration"
   - name: "Networking"
     description: "Configure / service for container"
-  - name: "Storage and Devices"
+  - name: "Storage"
     description: "Persist and share data that is separate from the lifecycle of the container"
   - name: "Resource Reservation"
     description: "Specify resources to be allocated to workload"
@@ -175,7 +175,7 @@ questions:
 
   - variable: customStorage
     label: "Custom app storage"
-    group: "Storage and Devices"
+    group: "Storage"
     schema:
       type: list
       default: []
@@ -200,6 +200,13 @@ questions:
                   type: boolean
                   default: true
                   hidden: false
+              - variable: readOnly
+                label: "Mount as ReadOnly"
+                description: "prevent any write from being done to the mounted volume"
+                schema:
+                  type: boolean
+                  default: false
+                  hidden: false
               - variable: name
                 label: "Mountpoint Name"
                 schema: