Include more details in test/README.asciidoc
Include more details in test/README.asciidoc

Define the role and content of each test file.
Further changes to test/README.asciidoc

jkonecny12/kakoune,alexherbo2/kakoune,Somasis/kakoune,occivink/kakoune,mawww/kakoune,lenormf/kakoune,mawww/kakoune,casimir/kakoune,occivink/kakoune,mawww/kakoune,Somasis/kakoune,danr/kakoune,alexherbo2/kakoune,danr/kakoune,casimir/kakoune,lenormf/kakoune,casimir/kakoune,jkonecny12/kakoune,Somasis/kakoune,lenormf/kakoune,mawww/kakoune,danr/kakoune,danr/kakoune,alexherbo2/kakoune,lenormf/kakoune,alexherbo2/kakoune,occivink/kakoune,jkonecny12/kakoune,casimir/kakoune,jkonecny12/kakoune,Somasis/kakoune,occivink/kakoune