fix: Add image-to-text pipeline to remote worker

[ad-astra-video]

What does this pull request do? Explain your changes. (required)
Adds remote worker parts to server package so image-to-text pipeline can be processed by remote working.

Specific updates (required)

• add image to text to runAIJob
• update to add pipeline to parseMultipartResult
• Add test in server/ai_worker_test.go

How did you test each of these updates (required)

Ran tests and built docker container to test combined and split Orchestrator and AI Worker

Does this pull request close any open issues?

No

Checklist:

• Read the contribution guide
• [x ] make runs successfully
• [x ] All tests in ./test.sh pass AI tests pass
• README and other documentation updated
• Pending changelog updated

[codecov]

Codecov Report

Attention: Patch coverage is 75.00000% with 4 lines in your changes missing coverage. Please review.

Project coverage is 35.75149%. Comparing base (bf10079) to head (4cf7d0d).
Report is 2 commits behind head on ai-video.

Files with missing lines	Patch %	Lines
server/ai_worker.go	73.33333%	2 Missing and 2 partials ⚠️

Additional details and impacted files

@@                 Coverage Diff                 @@
##            ai-video       #3229         +/-   ##
===================================================
+ Coverage   35.73535%   35.75149%   +0.01614%     
===================================================
  Files            124         124                 
  Lines          34929       34944         +15     
===================================================
+ Hits           12482       12493         +11     
- Misses         21754       21756          +2     
- Partials         693         695          +2     

Files with missing lines	Coverage Δ
server/ai_http.go	10.00000% <100.00000%> (ø)
server/ai_worker.go	49.89059% <73.33333%> (+0.79557%)	⬆️

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Files with missing lines	Coverage Δ
server/ai_http.go	10.00000% <100.00000%> (ø)
server/ai_worker.go	49.89059% <73.33333%> (+0.79557%)	⬆️

[rickstaa]

@ad-astra-video very clean pull request. Let's merge 🚀.