add: refactor like a superhero book (en, ru) (#8904)

books/free-programming-books-ru.md

@@ -99,6 +99,7 @@
 
 * [Введение в функциональное программирование](http://funprog-ru.github.io) - John Harrison
 * [Практика функционального программирования](https://www.fprog.ru) - журнал
+* [Рефакторинг на максималках](https://github.com/bespoyasov/refactor-like-a-superhero-online-book/blob/main/manuscript-ru/README.md) - Александр Беспоясов
 
 
 #### Работа с сетью

books/free-programming-books-subjects.md

@@ -803,6 +803,7 @@ Kerridge (PDF) (email address *requested*, not required)
 * [Practicing Domain-Driven Design - Part 1](https://leanpub.com/Practicing-DDD) - Scott Millett *(Leanpub account or valid email requested)*
 * [Reactive Microservices Architecture](https://www.lightbend.com/ebooks/reactive-microservices-architecture-design-principles-for-distributed-systems-oreilly) (email address *requested*)
 * [Reactive Microsystems: The Evolution of Microservices at Scale](https://www.lightbend.com/ebooks/reactive-microsystems-evolution-of-microservices-scalability-oreilly) (email address *requested*)
+* [Refactor Like a Superhero](https://github.com/bespoyasov/refactor-like-a-superhero-online-book/blob/main/manuscript-en/README.md) - Alex Bespoyasov
 * [Scrum and XP from the Trenches](http://www.infoq.com/minibooks/scrum-xp-from-the-trenches-2)
 * [Serverless apps: Architecture, patterns, and Azure implementation](https://docs.microsoft.com/en-us/dotnet/standard/serverless-architecture/)
 * [Serverless Design Patterns and Best Practices](https://www.packtpub.com/free-ebooks/serverless-design-patterns-and-best-practices) - Brian Zambrano (Packt account *required*)