feat: Processing Status angefangen

README.md

ajax/backend/processingStatus/create.php

ajax/backend/processingStatus/delete.php

ajax/backend/processingStatus/get.php

ajax/backend/processingStatus/getNextId.php

ajax/backend/processingStatus/list.php

ajax/backend/processingStatus/update.php

bin/backend/ProcessingStatus.js

bin/backend/classes/ProcessingStatus.js

bin/backend/controls/panels/Orders.js

src/QUI/ERP/Order/AbstractOrder.php

src/QUI/ERP/Order/Factory.php

src/QUI/ERP/Order/Handler.php

src/QUI/ERP/Order/Mailer.php

src/QUI/ERP/Order/Order.php

src/QUI/ERP/Order/ProcessingStatus/Exception.php

src/QUI/ERP/Order/ProcessingStatus/Factory.php

src/QUI/ERP/Order/ProcessingStatus/Handler.php

src/QUI/ERP/Order/ProcessingStatus/Status.php

src/QUI/ERP/Order/Search.php