docs(README.md): add wiki link to MVC

Add a wiki link to MVC in case people have not heard of it before and
want to read about it more.

Closes #17152

README.md

@@ -55,11 +55,12 @@ component in an interconnected way like a well-oiled machine. AngularJS is JavaS
 and done right. (Well it is not really MVC, read on, to understand what this means.)
 
 #### MVC, no, MV* done the right way!
-MVC, short for Model-View-Controller, is a design pattern, i.e. how the code should be organized and
-how the different parts of an application separated for proper readability and debugging. Model is
-the data and the database. View is the user interface and what the user sees. Controller is the main
-link between Model and View. These are the three pillars of major programming frameworks present on
-the market today. On the other hand AngularJS works on MV*, short for Model-View-_Whatever_. The
+[MVC](https://en.wikipedia.org/wiki/Model%E2%80%93view%E2%80%93controller), short for
+Model-View-Controller, is a design pattern, i.e. how the code should be organized and how the
+different parts of an application separated for proper readability and debugging. Model is the data
+and the database. View is the user interface and what the user sees. Controller is the main link
+between Model and View. These are the three pillars of major programming frameworks present on the
+market today. On the other hand AngularJS works on MV*, short for Model-View-_Whatever_. The
 _Whatever_ is AngularJS's way of telling that you may create any kind of linking between the Model
 and the View here.