[TASK] Add site setting with enum

Configuration/Sets/Examples/settings.definitions.yaml

@@ -4,7 +4,7 @@ categories:
   Example.examples:
     label: 'Examples'
     parent: Example
-  BlogExample.types:
+  Example.types:
     label: 'Available types'
     parent: Example
 
@@ -49,49 +49,61 @@ settings:
   example.types.int:
     type: int
     default: 42
-    category: BlogExample.types
+    category: Example.types
     label: 'Type int'
     description: 'Checks whether the value is already an integer or can be 
     interpreted as an integer. If yes, the string is converted into an integer.'
   example.types.number:
     type: number
     default: 3.16
-    category: BlogExample.types
+    category: Example.types
     label: 'Type number'
     description: 'Checks whether the value is already an integer or float or whether the
     string can be interpreted as an integer or float. If yes, the string is
     converted to an integer or float.'
   example.types.bool:
     type: bool
     default: true
-    category: BlogExample.types
+    category: Example.types
     label: 'Type bool'
     description: 'Casts the value to a boolean.'
   example.types.bool-false:
     type: bool
     default: false
-    category: BlogExample.types
+    category: Example.types
     label: 'Type bool'
     description: 'Casts the value to a boolean.'
   example.types.string:
     type: string
     default: 'EXT:example/Resources/Private/Templates/'
-    category: BlogExample.types
+    category: Example.types
     label: 'Type string'
     description: 'Converts almost all data types into a string. If an object has been
     specified, it must be stringable, otherwise no conversion takes place.
     Boolean values are converted to "true" and "false".'
   example.types.text:
     type: text
     default: 'EXT:example/Resources/Private/Templates/'
-    category: BlogExample.types
+    category: Example.types
     label: 'Type text'
     description: 'Exactly the same as the `string` type. Use it as an alias if someone doesn''t
     know what to do with `string`.'
+  example.types.string-enum:
+    type: string
+    default: 'summer'
+    category: Example.types
+    label: 'Type string with enum'
+    enum:
+      spring: 'Spring time'
+      summer: 'Seasons in the sun'
+      fall: 'Wine harvest'
+      winter: 'Cold'
+    description: 'Site settings can provide possible options via the `enum` specifier, that will
+    be selectable in the editor GUI.'
   example.types.stringlist:
     type: stringlist
     default:  ['Dog', 'Cat', 'Bird', 'Spider']
-    category: BlogExample.types
+    category: Example.types
     label: 'Type stringlist'
     description: 'The value must be an array whose array keys start at 0 and increase by 1 per
     element. The list in this type is derived from the internal PHP method
@@ -102,7 +114,7 @@ settings:
   example.types.color:
     type: color
     default: '#FF8700'
-    category: BlogExample.types
+    category: Example.types
     label: 'Type text'
     description: 'Checks whether the specified string can be interpreted as a color code.
     Entries starting with `rgb`, `rgba` and `#` are permitted here.