Add links to the modals document

docs/en/UI/AspNetCore/Tag-Helpers/Modals.md

@@ -1,5 +1,7 @@
 # Modals
 
+> This document explains the details of the `abp-modal` Tag Helper, which simplifies to build the HTML markup for a modal dialog. Read [that documentation](../Modals.md) to learn how to work with modals.
+
 ## Introduction
 
 `abp-modal` is a main element to create a modal.
@@ -18,8 +20,6 @@ Basic usage:
 </abp-modal>
 ````
 
-
-
 ## Demo
 
 See the [modals demo page](https://bootstrap-taghelpers.abp.io/Components/Modals) to see it in action.

docs/en/docs-nav.json

@@ -394,13 +394,17 @@
         {
           "text": "ASP.NET Core MVC / Razor Pages",
           "items": [
+            {
+              "text": "Navigation / Menus",
+              "path": "UI/AspNetCore/Navigation-Menu.md"
+            },
             {
               "text": "Forms & Validation",
               "path": "UI/AspNetCore/Forms-Validation.md"
             },
             {
-              "text": "Navigation / Menus",
-              "path": "UI/AspNetCore/Navigation-Menu.md"
+              "text": "Modals",
+              "path": "UI/AspNetCore/Modals.md"
             },
             {
               "text": "Page Alerts",