feat: adding flag filter for custom analyzer

[naveenthangaraj03]

Closes #

📑 Description

ISSUES:

• If we run "k8sgpt analyze --custom-analysis" it will fetch all the all the custom analyzer as well as the active filters
• We need to run separate server for each custom analyzer
• Filter is not defined for custom analyzer

RESOLVED:

• If "--custom-analysis" is used it will get only the custom analyzer results, it will not include active filters
• If flag filter is specified for custom analyzer it will get the particular custom analyzer
• If flag filter is not specified in custom-analyzer it will get all the custom-analyzer results
• Passing filter name for custom analyzer server so that single server will handle multiple custom analyzer and run that particular custom analyzer resource based on switch case or if else

• In server we can write code logic based on the filter name

✅ Checks

• My pull request adheres to the code style of this project
• My code requires changes to the documentation
• I have updated the documentation as required
• All the tests have passed

ℹ Additional Information

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 55 lines in your changes missing coverage. Please review.

Project coverage is 34.04%. Comparing base (173e4dc) to head (935b4cd).
Report is 50 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/analysis/analysis.go	0.00%	49 Missing ⚠️
pkg/custom/client.go	0.00%	4 Missing ⚠️
cmd/analyze/analyze.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1375      +/-   ##
==========================================
- Coverage   34.76%   34.04%   -0.73%     
==========================================
  Files          94       97       +3     
  Lines        6342     6515     +173     
==========================================
+ Hits         2205     2218      +13     
- Misses       4046     4204     +158     
- Partials       91       93       +2     

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