Update Part-4.md

docs/en/Tutorials/Part-4.md

@@ -2,7 +2,7 @@
 ````json
 //[doc-params]
 {
-    "UI": ["MVC","NG"],
+    "UI": ["MVC","Blazor","NG"],
     "DB": ["EF","Mongo"]
 }
 ````
@@ -14,20 +14,13 @@ else if UI == "NG"
 else
   UI_Text="?"
 end
-if DB == "EF"
-  DB_Text="Entity Framework Core"
-else if DB == "Mongo"
-  DB_Text="MongoDB"
-else
-  DB_Text="?"
-end
 }}
 
 ## About This Tutorial
 
 In this tutorial series, you will build an ABP based web application named `Acme.BookStore`. This application is used to manage a list of books and their authors. It is developed using the following technologies:
 
-* **{{DB_Text}}** as the ORM provider. 
+* **{{DB_Value}}** as the ORM provider. 
 * **{{UI_Value}}** as the UI Framework.
 
 This tutorial is organized as the following parts;