feat: add decimals in nft oracle

[thorseldon]

• add decimals when init the contract;
• deploy bend token oracle for erc20 tokens;

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 5 lines in your changes missing coverage. Please review.

Project coverage is 90.82%. Comparing base (cff4d16) to head (810e820).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
contracts/protocol/NFTOracle.sol	50.00%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #129      +/-   ##
==========================================
- Coverage   90.97%   90.82%   -0.15%     
==========================================
  Files          37       37              
  Lines        2860     2868       +8     
  Branches      449      450       +1     
==========================================
+ Hits         2602     2605       +3     
- Misses        258      263       +5     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.