UHF-10793: Drush command to migrate existing files

[tuutti]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 81.08108% with 7 lines in your changes missing coverage. Please review.

Project coverage is 86.46%. Comparing base (25c7b80) to head (8739183).
Report is 25 commits behind head on main.

Files with missing lines	Patch %	Lines
src/Drush/Commands/TransliterateFilesCommands.php	81.08%	7 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main      #30      +/-   ##
============================================
- Coverage     89.42%   86.46%   -2.96%     
- Complexity       35       40       +5     
============================================
  Files             4        4              
  Lines           104      133      +29     
============================================
+ Hits             93      115      +22     
- Misses           11       18       +7     

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