Update readme to inform compatibility with 1.2.7 JOptTourOptimizer

Author: jrichter-svmx

README.md

@@ -10,6 +10,14 @@ Containerizing an application helps to use it more conveniently across different
 
 ---
 
+# Compatibility
+This client can be used with <a href="https://hub.docker.com/r/dnaevolutions/jopt_touroptimizer" target="_blank">JOpt-TourOptimizer Spring Server</a>
+Compatible Versions:
+- 1.2.6-SNAPSHOT (this version was used to create the models of this repository)
+- 1.2.7-SNAPSHOT (<a href="https://github.com/DNA-Evolutions/Java-REST-Client-Examples/blob/master/src/main/resources/swagger/touroptimizer/spec/touroptimizer_spec.json" target="_blank">Specs</a> )
+
+---
+
 # Further Documentation, Contact and Links
 
 - Further documentation 	- <a href="https://docs.dna-evolutions.com" target="_blank">docs.dna-evolutions.com</a>