Add the description of doma-quarkus

Author: nakamura-to

README.md

@@ -71,6 +71,7 @@ Related projects
 ---------------------
 
 - [doma-spring-boot](https://github.com/domaframework/doma-spring-boot) : Supports integration with Spring Boot
+- [doma-quarkus](https://github.com/domaframework/doma-quarkus) : Supports integration with Quarkus
 - [doma-compile-plugin](https://github.com/domaframework/doma-compile-plugin) : Makes compilation easy
 - [doma-codegen-plugin](https://github.com/domaframework/doma-codegen-plugin) : Generates Java and SQL files