docs: add proposal of karmadactl init images list

[tiansuo114]

What type of PR is this? /kind feature

What this PR does / why we need it: karmadactl supports list init images Which issue(s) this PR fixes: Parts of #4086

Special notes for your reviewer: @liangyuanpeng
@RainbowMango This pr is about this question in #5277,we can solve the design problems related to the karmadactl config image list in this pr

Does this PR introduce a user-facing change?:

[liangyuanpeng]

Hi, this is a bot comment, just put the label of ok-to-test here, you can comment /retest to rerun github workflow if github workflow is failing and it's not releated with this PR.

/ok-to-test

[karmada-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[tiansuo114]

I have already modified this document according to the discussion requirements from the meeting. When you have time, please kindly review it. @liangyuanpeng @RainbowMango

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 35.19%. Comparing base (58612d3) to head (47866ec). Report is 6 commits behind head on master.

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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5623      +/-   ##
==========================================
- Coverage   35.20%   35.19%   -0.01%     
==========================================
  Files         645      645              
  Lines       44869    44869              
==========================================
- Hits        15795    15792       -3     
- Misses      27844    27845       +1     
- Partials     1230     1232       +2     

Flag	Coverage Δ
unittests	35.19% <ø> (-0.01%)	:arrow_down:

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[tiansuo114]

Our stance regarding the addition of related features corresponding to this document is: should they be retained or removed? I estimate that if we adhere to the content in this document, the code for the newly added related functionality will be around 100-200 lines. @RainbowMango @liangyuanpeng

[liangyuanpeng]

let's pause this session based on the content of the meeting

/hold

[tiansuo114]

Based on community meetings, it seems that this feature is not necessary and will increase maintenance costs, so this pr is temporarily closed