load parameter group configuration from the package-namespace settings

for general settings this feels more natural than settings deeply nested
in the frontendConfiguration

Configuration/Settings.yaml

@@ -7,9 +7,7 @@ Neos:
             resource: 'resource://Prgfx.Neos.LinkEditor/Public/Plugin/LinkEditor/Plugin.js'
       frontendConfiguration:
         Prgfx.Neos.LinkEditor:
-          groups:
-            default:
-              label: Query Arguments
+          groups: "${Configuration.setting('Prgfx.Neos.LinkEditor.parameterGroups')}"
           # This package provides a custom LinkEditor which allows editing linking options. You can disable this by
           # setting the replace option to false
           linkEditor:
@@ -32,3 +30,6 @@ Prgfx:
         NodeUri: true
         UriBuilder: true
         ConvertUris: true
+      parameterGroups:
+        default:
+          label: Query Arguments

README.md

@@ -43,17 +43,15 @@ In case you have multiple types of inputs, you can group them in a "meaningful"
 ```
 Groups can be configured in the frontend settings:
 ```yaml
-Neos:
+Prgfx:
   Neos:
-    Ui:
-      frontendConfiguration:
-        Prgfx.Neos.LinkEditor:
-          groups:
-            tracking:
-              # supports MyPackage:Source:key translation keys as well
-              label: Tracking parameters
-              # optional; if a value is set in that group, the group will always be expanded
-              collapsed: true
+    LinkEditor:
+      parameterGroups:
+        tracking:
+          # supports MyPackage:Source:key translation keys as well
+          label: Tracking parameters
+          # optional; if a value is set in that group, the group will always be expanded
+          collapsed: true
 ```
 The default group is called `default`, in case you want to overwrite its settings.