models: `Trst::User` new field `id_pn`
views: `Trst::User` new field `id_pn`
i18n: `trst_user.yml` new translation
update CHANGELOG
bump version v0.2.9
Merge branch 'hotfix/v0.2.9'
Merge tag 'v0.2.9' into develop

Hotfix v0.2.9, Trst::User#id_pn, new field