feat(its): add skeleton code for its token deployment

[ahramy]

AXE-6709

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 11.37725% with 148 lines in your changes missing coverage. Please review.

Project coverage is 89.66%. Comparing base (20593c0) to head (600764d).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
contracts/interchain-token-service/src/contract.rs	12.58%	132 Missing ⚠️
contracts/interchain-token-service/src/event.rs	0.00%	15 Missing ⚠️
...ontracts/interchain-token-service/src/interface.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #88      +/-   ##
==========================================
- Coverage   96.01%   89.66%   -6.36%     
==========================================
  Files          37       38       +1     
  Lines        2085     2235     +150     
==========================================
+ Hits         2002     2004       +2     
- Misses         83      231     +148     

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