Release | Version 2.3.1

- Added instructions on how to release (mostly for me)
- SolutionRunner now accepts a year for the report
- Added missing Kotlin Doc
- Benchmark delta report now prints positive micro second deltas in yellow
- Point2D is now comparable

build.gradle.kts

@@ -28,7 +28,7 @@ subprojects {
     apply(plugin = "maven-publish")
 
     ext {
-        set("releaseVersion", "2.3.0")
+        set("releaseVersion", "2.3.1")
     }
 
     repositories {