docs(SDK): Add default property to the ToggleModule

Author: Bullle

playground/extensions/extensions-toggle.md

@@ -31,14 +31,17 @@ export const modules = [
 export const options = [
   ToggleModule.defineToggle({
     // The name of the toggle
+    // replace "myToggle" by the name of the toggle you want to use
     toggle: 'myToggle',
     // The text displayed over the toggle
     title: 'MY TOGGLE',
     // The labels for the on/off states of your toggle
     values: {
       'TOGGLED ON': true,
       'TOGGLED OFF': false
-    }
+    },
+    // Default value of your toggle
+    default: true
   }),
   ToggleModule.defineToggle({
     toggle: 'myOtherToggle',