models: `Clns::DeliveryNote` add field `doc_text`, fix #3
i18n: `delivery_note.yml` add translation, #3
assets: js, `Clns.desk.delivery_note`, update `doc_name`, fix #6
views: `Clns::DeliveryNote` CRUD updates regarding #3
views: `Clns::DeliveryNote` pdf template improve and fix #5
views: `Clns::Invoice` pdf template fix #8
i18n: `clns.yml` typo and competition
update CHANGELOG
bump version v0.2.19
Merge branch 'feature/v0.2.19' into develop issues #3, #5, #6, #8