Add support for Vecteur AIPs

[jraddaoui]

• Skip structure check if the transfer contains an additional folder.
• Validate metadata.xml from content/header/old/SIP.
• Transform into expected SIP structure.
• Remove PREMIS XML files.
• Create Bag using a new activity and go-bagit.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 37.81513% with 74 lines in your changes are missing coverage. Please review.

Project coverage is 27.79%. Comparing base (d166ff0) to head (20c514f). Report is 1 commits behind head on main.

Files	Patch %	Lines
internal/activities/transform_vecteur_aip.go	0.00%	31 Missing :warning:
cmd/worker/workercmd/cmd.go	0.00%	12 Missing :warning:
internal/fsutil/fsutil.go	55.00%	7 Missing and 2 partials :warning:
internal/workflow/preprocessing.go	80.95%	4 Missing and 4 partials :warning:
internal/activities/create_bag.go	0.00%	7 Missing :warning:
internal/activities/check_structure.go	0.00%	6 Missing :warning:
internal/activities/metadata_validation.go	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #5 +/- ## ========================================== + Coverage 25.90% 27.79% +1.89% ========================================== Files 12 15 +3 Lines 413 518 +105 ========================================== + Hits 107 144 +37 - Misses 292 355 +63 - Partials 14 19 +5 ```

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