move ISP code into it's own module

build-all.sh

@@ -123,11 +123,11 @@ fi
 
 if [[ "$MODULE" == "module2" ]]
 then
+  build_gradle_module "solid/isp"
+  build_maven_module "solid/lsp"
   build_maven_module "resilience4j/retry"
   build_maven_module "resilience4j/ratelimiter"
-  build_maven_module "solid/lsp"
   build_gradle_module "spring-data/spring-data-jdbc-converter"
-  build_gradle_module "solid"
   build_gradle_module "reactive"
   build_gradle_module "junit/assumptions"
   build_gradle_module "logging"

solid/isp/README.md

@@ -0,0 +1,7 @@
+# Interface Segregation Principle
+
+Example code showing the Interface Segregation Principle
+
+## Blog posts 
+
+* [Everything You Need to Know About the Interface Segregation Principle](https://reflectoring.io/interface-segregation-principle/) 

solid/lsp/README.md

@@ -1,3 +1,5 @@
+# Liskov Substition Principle
+
 There are 5 programs under com/reflectoring/examples/lsp/paymentexample.
 
 Run in this order to see class design evolution:
@@ -11,4 +13,8 @@ Packages are organized similarly: violation, forcefit, forcefitandconditional,
 and redesigned have specific classes modified at that point in the evolution.
 
 Common code is in common, common/exceptions, common/external and 
-common/instruments.  
+common/instruments.
+
+## Blog posts 
+
+* [The Liskov Substitution Principle Explained](https://reflectoring.io/lsp-explained/)