logilab-packaging #298405 [check] do check for a README[.txt|.rst|.md] file and not only README [validation pending]

[check] do check for a README[.txt|.rst|.md] file and not only README

prioritynormal
typebug
done in1.2.0
load left0.000
closed by#18087bc18a14 [check] do check for a README[.txt|.rst|.md] file and not only README (closes #298405)
patch[check] do check for a README[.txt|.rst|.md] file and not only README (closes #298405) [applied]