feat(PE-4388): ANT-UCM contract

[atticusofsparta]

This implements a new type of ANT contract (ANT-UCM) which can be traded on bazar.

[codecov-commenter]

Codecov Report

Attention: 168 lines in your changes are missing coverage. Please review.

Comparison is base (441cf11) 7.90% compared to head (d49dc84) 41.39%.
Report is 5 commits behind head on main.

Files	Patch %	Lines
src/contract-ucm.ts	0.00%	51 Missing ⚠️
src/lib/either.ts	0.00%	31 Missing ⚠️
src/actions/write/allow.ts	0.00%	18 Missing and 7 partials ⚠️
src/actions/write/reject.ts	0.00%	18 Missing and 7 partials ⚠️
src/actions/write/claim.ts	0.00%	16 Missing and 6 partials ⚠️
src/actions/write/constructor.ts	0.00%	10 Missing and 4 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##            main      #20       +/-   ##
==========================================
+ Coverage   7.90%   41.39%   +33.48%     
==========================================
  Files         11       17        +6     
  Lines        177      343      +166     
  Branches      42       86       +44     
==========================================
+ Hits          14      142      +128     
- Misses       144      177       +33     
- Partials      19       24        +5     

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[dtfiedler]

i don't think we need to merge this. we can keep the branch and once we've resolved some of the remaining questions decide how we want to integrate it.