Added readme file and updated build-all

Author: saajn

build-all.sh

@@ -86,6 +86,7 @@ if [[ "$MODULE" == "module6" ]]
 then
   # ADD NEW MODULES HERE
   # (add new modules above the rest so you get quicker feedback if it fails)
+  build_maven_module "resilience4j/springboot-resilience4j"
   build_maven_module "spring-boot/feature-flags"
   build maven_module "aws/springcloudses"
   build_gradle_module "aws/spring-cloud-caching-redis"

resilience4j/springboot-resilience4j/README.md

@@ -0,0 +1,7 @@
+# Retry with Resilience4J
+
+Run the SpringbootResilience4jApplication program
+
+## Blog posts
+
+* [Implementing Retry with Spring_Boot_Resilience4j](https://reflectoring.io/retry-with-springboot-resilience4j/)