reorganize tutorials

[adrian-herscu]

Current State
It is necessary to browse multiple pages in order to get running.

How to make it better
On the landing page have a short manual:

Command	Screenshot
generate
run self tests
view report
run windows tests
open in IDE
run from IDE

mvn --batch-mode archetype:generate ^ -Dmaven.wagon.http.ssl.insecure=true ^ -DarchetypeGroupId=dev.aherscu.qa ^ -DarchetypeArtifactId=qa-testing-archetype ^ -DarchetypeVersion=LATEST ^ -DgroupId=com.acme ^ -DartifactId=testing ^ -Dversion=0.0.1-SNAPSHOT ^ -Dpackage=com.acme.testing
cd testing & mvnw -Ptesting-self