BitSong FanToken (x/fantoken) factory for token staking voting module

[NoahSaso]

btsg-ft-factory

Serves as a factory that issues new
fantokens
on BitSong and returns their denom for use with the
dao-voting-token-staked voting module
contract.

Instantiation and execution are permissionless. All DAOs will use the same
factory and execute Issue to create new fantokens through TokenInfo::Factory
during voting module instantiation.

[codecov]

Codecov Report

Attention: Patch coverage is 91.96035% with 73 lines in your changes missing coverage. Please review.

Project coverage is 96.43%. Comparing base (87485be) to head (6772523).
Report is 3 commits behind head on development.

Files	Patch %	Lines
contracts/external/btsg-ft-factory/src/bitsong.rs	30.30%	23 Missing ⚠️
...al/btsg-ft-factory/src/testing/bitsong_stargate.rs	88.51%	17 Missing ⚠️
contracts/external/btsg-ft-factory/src/shim.rs	0.00%	15 Missing ⚠️
contracts/external/btsg-ft-factory/src/contract.rs	96.62%	5 Missing ⚠️
...acts/external/btsg-ft-factory/src/testing/tests.rs	99.15%	4 Missing ⚠️
...tracts/external/btsg-ft-factory/src/testing/app.rs	80.00%	3 Missing ⚠️
...cts/voting/dao-voting-token-staked/src/contract.rs	80.00%	3 Missing ⚠️
contracts/external/btsg-ft-factory/src/msg.rs	66.66%	2 Missing ⚠️
contracts/external/btsg-ft-factory/src/error.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff               @@
##           development     #836      +/-   ##
===============================================
+ Coverage        96.26%   96.43%   +0.17%     
===============================================
  Files              209      226      +17     
  Lines            53514    59468    +5954     
===============================================
+ Hits             51513    57346    +5833     
- Misses            2001     2122     +121     

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[NoahSaso]

Closing in favor of #845