Proposal: add proposal for multi tree quota

[shaloulcy]

Ⅰ. Describe what this PR does

add a proposal for multi tree quota

Ⅱ. Does this pull request fix one issue?

Ⅲ. Describe how to verify it

Ⅳ. Special notes for reviews

V. Checklist

• I have written necessary docs and comments
• I have added necessary unit tests and integration tests
• All checks passed in make test

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 67.55%. Comparing base (bdaf284) to head (a666496).
Report is 7 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1902      +/-   ##
==========================================
- Coverage   67.55%   67.55%   -0.01%     
==========================================
  Files         413      413              
  Lines       46072    46229     +157     
==========================================
+ Hits        31124    31230     +106     
- Misses      12693    12730      +37     
- Partials     2255     2269      +14     

Flag	Coverage Δ
unittests	67.55% <ø> (-0.01%)	⬇️

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[eahydra]

/lgtm

[hormes]

/lgtm
/approve

[koordinator-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hormes

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