Provide a script to migrate from the default MH mailbox to Icedove

The script is here:

https://git-tails.immerda.ch/tails/plain/wiki/src/misc/claws_to_icedove.sh?h=doc/7158-icedove

Feature Branch: doc/7158-icedove

Attachments

• output.txt

Parent Task: #7773 (closed)

Subtasks

• #10454 (closed)

Related issues

• Related to #10457 (closed)

Original created by @sajolida on 10453 (Redmine)