Add onThisPageNav flag to the ThemeSettings.spec.json (#411)

Resolves: rdar://101345143

Author: dobromir-hristov

Sources/SwiftDocC/SwiftDocC.docc/Resources/ThemeSettings.spec.json

@@ -821,8 +821,11 @@
                                 "type": "object",
                                 "description": "flags for enabling or disabling `/documentation` page features.",
                                 "properties": {
-                                    "quicknavigation": {
+                                    "quickNavigation": {
                                         "$ref": "#/components/schemas/FeatureFlagEnable"
+                                    },
+                                    "onThisPageNavigator": {
+                                        "$ref": "#/components/schemas/FeatureFlagDisable"
                                     }
                                 }
                             }
@@ -883,6 +886,18 @@
                     }
                 }
             },
+            "FeatureFlagDisable": {
+                "type": "object",
+                "description": "Disables a feature if `disable` is `true`.",
+                "required": [
+                    "disable"
+                ],
+                "properties": {
+                    "disable": {
+                        "type": "boolean"
+                    }
+                }
+            },
             "URL": {
                 "type": "string",
                 "description": "An absolute URL or relative path.",

Sources/docc/DocCDocumentation.docc/customizing-the-appearance-of-your-documentation-pages.md

@@ -218,9 +218,10 @@ that can be enabled or disabled using `theme-settings.json`.
 
 **Example**
 
-As of the time of writing this, there is only one available "quick navigation"
-feature that is disabled by default and can be enabled with the following
-configuration. Note that this flag may be dropped in the future and new ones may
+If you want to disable the OnThisPageNav right side navigation, you can set the
+`features.docs.onThisPageNavigator.disable` to `true`.
+
+Note that some of these flags may be dropped in the future and new ones may
 be added as necessary for other features.
 
 ```json
@@ -229,6 +230,9 @@ be added as necessary for other features.
     "docs": {
       "quickNavigation": {
         "enable": true
+      }, 
+      "onThisPageNavigator": {
+        "disable": true
       }
     }
   }