Adding section and a book for Blazor Framework (#4721)

* added section and a book for blazor

* Update free-programming-books.md
Co-authored-by: NSeth <seth@elypia.org>
Co-authored-by: NSeth <seth@elypia.org>

free-programming-books.md

@@ -16,6 +16,7 @@
 * [Bash](#bash)
 * [Basic](#basic)
 * [BETA](#beta)
+* [Blazor](#blazor)
 * [C](#c)
 * [C#](#c-sharp)
 * [C++](#c-1)
@@ -1024,6 +1025,11 @@ Kerridge (PDF) (email address *requested*, not required)
 * [Object-Oriented Programming in the BETA Programming Language](https://beta.cs.au.dk/Books/) - Ole Lehrmann Madsen, Birger Møller-Pedersen, Kristen Nygaard
 
 
+### Blazor
+
+* [Blazor for ASP.NET Web Forms Developers](https://dotnet.microsoft.com/download/e-book/blazor-for-web-forms-devs/pdf) - Daniel Roth, Jeff Fritz, Taylor Southwick (PDF)
+
+
 ### C
 
 * [256-Color VGA Programming in C](http://www.brackeen.com/vga/) - David Brackeen