Add module names for the typedoc, make it work

Mark members with @private for typedoc.

tns-core-modules/text/formatted-string.d.ts

@@ -1,6 +1,9 @@
 /**
+ * @module "text/formatted-string"
+ * 
  * Contains the FormattedString and Span classes, which are used to create a formatted (rich text) strings.
- */
+ */ /** */
+
 import { Span } from "./span";
 import { ObservableArray } from "../data/observable-array";
 import { ViewBase } from "../ui/core/view";

tns-core-modules/text/span.d.ts

@@ -1,4 +1,8 @@
-import { Color } from "../color";
+/**
+ * @module "text/span"
+ */ /** */
+
+import { Color } from "../color";
 import { ViewBase } from "../ui/core/view-base";
 import { FontStyle, FontWeight } from "../ui/styling/font";
 import { TextDecoration } from "../ui/text-base";
@@ -48,6 +52,9 @@ export class Span extends ViewBase {
     public text: string;
     
     //@private
+    /**
+     * @private
+     */
     _setTextInternal(value: string): void;
     //@endprivate
 }

tns-core-modules/text/text.d.ts

@@ -1,6 +1,9 @@
 /**
+ * @module "text"
+ * 
  * Defines specific text related enumerations.
- */
+ */ /** */
+
 /**
  * Defines the supported character encodings.
  */