docs(proposal): add docs for using cascading deletion

[CharlesQQ]

What type of PR is this?

What this PR does / why we need it:

Which issue(s) this PR fixes: part of https://github.com/karmada-io/karmada/issues/4709

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

NONE

[codecov-commenter]

:warning: Please install the to ensure uploads and comments are reliably processed by Codecov.

Codecov Report

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

Project coverage is 34.85%. Comparing base (721107d) to head (fb99665). Report is 8 commits behind head on master.

:exclamation: Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5101      +/-   ##
==========================================
- Coverage   34.87%   34.85%   -0.03%     
==========================================
  Files         645      645              
  Lines       44833    44861      +28     
==========================================
- Hits        15637    15635       -2     
- Misses      27991    28021      +30     
  Partials     1205     1205              

Flag	Coverage Δ
unittests	34.85% <ø> (-0.03%)	:arrow_down:

Flags with carried forward coverage won't be shown. Click here to find out more.

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

[whitewindmills]

/assign

[XiShanYongYe-Chang]

/assign @RainbowMango

[XiShanYongYe-Chang]

Made some modifications and additions based on the comments. cc @RainbowMango @chaosi-zju

[chaosi-zju]

Made some modifications and additions based on the comments.

I see, what do the author @CharlesQQ thinik of https://github.com/karmada-io/karmada/pull/5101#discussion_r1739589723?

I'm now more tend to Extended by Annotation & Extend the fields of Work

[XiShanYongYe-Chang]

I'm now more tend to Extended by Annotation & Extend the fields of Work

You can think through the expansion of solution 1.

Solution 4 not only extends work. For the current proposal, it is a combination of two solutions, which I think is a bit redundant.

[CharlesQQ]

I see, what do the author @CharlesQQ thinik of https://github.com/karmada-io/karmada/pull/5101#discussion_r1739589723?

Extended by Annotation or Extend the fields of Work Choose one, I'm more tend to solution 1.

[chaosi-zju]

I see, what do the author @CharlesQQ thinik of #5101 (comment)?

Extended by Annotation or Extend the fields of Work Choose one, I'm more tend to solution 1.

got it, solution 1（+1）

[XiShanYongYe-Chang]

cc @RainbowMango Help take a review again.

[karmada-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: RainbowMango

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• ~~OWNERS~~ [RainbowMango]

Approvers can indicate their approval by writing /approve in a comment Approvers can cancel approval by writing /approve cancel in a comment