rework devon4j-architecture tutorial

[EduardKrieger]

devon4j-architecture

The tutorial wiki generation involves some changes that has to be done for the tutorials.

The name of the function nextKatacodaStep has been changed to make it clearer that there is no functional content allowed.

1.. the title ### setup enviroment , ### Clone jump the queue repository, ### devon4j application architecture, ###devon4j layers explained will be in the description text of the step, use the option to set a step title.
2. use a higher header level for Prerequisites and Learning goals.
3. use asciidoc type links in the steps evon4j application architecture and devon4j application layers and in the file devon4j-app-arch.md