tutorial screenshots renewed

resolves https://github.com/abpframework/abp/issues/1470

docs/en/Tutorials/AspNetCore-Mvc/Part-I.md

@@ -455,7 +455,7 @@ $(function () {
 
 The final UI is shown below:
 
-![bookstore-book-list](images/bookstore-book-list.png)
+![bookstore-book-list](images/bookstore-book-list-2.png)
 
 ### Next Part
 

docs/en/Tutorials/AspNetCore-Mvc/Part-II.md

@@ -16,7 +16,7 @@ You can access to the **source code** of the application from [the GitHub reposi
 
 In this section, you will learn how to create a new modal dialog form to create a new book. The result dialog will be like that:
 
-![bookstore-create-dialog](images/bookstore-create-dialog.png)
+![bookstore-create-dialog](images/bookstore-create-dialog-2.png)
 
 #### Create the Modal Form