Update Api Docs with newest version created by yarn docs (#545)

Author: rmehner

api.md

@@ -230,13 +230,20 @@ interface MySubObject {
     a: boolean;
 }
 
+interface AnotherSubObject {
+    b: boolean;
+}
+
 interface MyObject {
     /**
      * @title empty#
      */
     empty;
-
+    /**
+     * @title filled
+     */
     filled: MySubObject;
+    nonTitled: AnotherSubObject;
 }
 ```