Fill default consignee location and current date for consignee signature

Related issues

Closes #68 (closed)

Acceptance criteria

• Implemented code changes don't diverge from the related issue.
• Documentation reflects the status quo after merge.
• Only released versions of dependencies are used (i.e. no snapshot versions).
• Pipeline still works.
• GitLab issue is up-to-date.

Proposed squash commit message

Fill location and date fields for consignee signature:

* If the place in the "Goods Received" area is empty
  then it is filled with the city of the consignee.
* The signature date is filled with the current date.

Co-authored-by: Ahmad Alzhoury

Closes #68 (closed)