doc: update readme

README.md

@@ -264,3 +264,9 @@ Here you can change `package name` and `package version`.
 ![Status: Experimental](https://img.shields.io/badge/Status-WIP-red?style=flat-square)
 
 This repository is maintained by Wyatt Studio but work is in progress.
+
+## Simple work flow diagramm
+
+To sum up, here a simple work flow diagramm.
+
+![Dev Wokflow](doc/workflow.svg)

doc/work_flow.puml

@@ -0,0 +1,15 @@
+@startuml Simple Developpment Workflow
+start
+:Create an issue;
+:Create branch related to the issue;
+repeat :Commit related to the issue;
+repeat while (feature is done)
+:Update coverage;
+:Close issue via last commit;
+:Rebase from `master`;
+:Create pull request;
+:Merge branches;
+:Update version;
+:Publish package;
+stop
+@enduml