Add callback for receipt storage

[stevenlanders]

Describe your changes and provide context

• commit handler will invoke necessary logic on sei-chain side

Testing performed to validate your change

• unit tests

[codecov]

Codecov Report

Attention: Patch coverage is 35.00000% with 13 lines in your changes missing coverage. Please review.

Project coverage is 55.31%. Comparing base (bf9783f) to head (f14e25c).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #520   +/-   ##
=======================================
  Coverage   55.31%   55.31%           
=======================================
  Files         631      631           
  Lines       54226    54240   +14     
=======================================
+ Hits        29993    30004   +11     
- Misses      22089    22093    +4     
+ Partials     2144     2143    -1     

Files	Coverage Δ
baseapp/abci.go	52.57% <100.00%> (+0.16%)	⬆️
storev2/rootmulti/store.go	2.85% <0.00%> (+0.01%)	⬆️
baseapp/options.go	47.90% <50.00%> (+0.10%)	⬆️
baseapp/baseapp.go	65.52% <0.00%> (-0.57%)	⬇️

... and 2 files with indirect coverage changes