cubicweb #15613724 refactor i18n messages extraction and allow cubes to customize it [validation pending]

It should be possible for a cube to customize which files xgettext should consider or ignore.

Furthermore, node_modules should be ignored by default.

prioritynormal
typeenhancement
done in3.24.0
load left0.000
closed by#7a170207acbf [devtools] make i18ncube customizable in a cube, #b96bed36765d [devctl] make sure i18ncube always delete its tempdir
patchmake i18ncube customizable in a cube [applied][devctl] make sure i18ncube always delete its tempdir [applied]i18ncube should ignore node_modules directory by default [applied]refactor i18n messages extraction [applied]