Add export and import options for original and translated scripts

[LetrixZ]

Added an option to export the original script generated by the OCR and to import it as translated.

Single page example:

[1] Foo
[2] Bar
[3] Mutli
line
string

Multi page example:

Page 1
[1] Foo
[2] Bar
Page 2
[1] Mutli
line
string

This PR was AI assisted for the importing stuff and menu translations.

[github-actions]

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