refactor Service Controller to it's own file

[pdabelf5]

Proposed changes

refactor Service Controller to it's own file

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works
• I have checked that all unit tests pass after adding my changes
• I have updated necessary documentation
• I have rebased my branch onto main
• I will ensure my PR is targeting the main branch and pulling from my branch from my own fork

[codecov]

Codecov Report

Attention: Patch coverage is 14.28571% with 84 lines in your changes missing coverage. Please review.

Project coverage is 53.23%. Comparing base (cc7e466) to head (671bbf0).
Report is 7 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/k8s/service.go	14.28%	82 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6395      +/-   ##
==========================================
+ Coverage   53.20%   53.23%   +0.02%     
==========================================
  Files          83       85       +2     
  Lines       16002    16002              
==========================================
+ Hits         8514     8518       +4     
+ Misses       7081     7079       -2     
+ Partials      407      405       -2     

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