add marketplace contracts

[dluks82]

• test new contracts
• contracts must allow for any nft contract;
• if not possible, create new version

[codecov[bot]]

Codecov Report

Merging #151 (174faa7) into main (9001592) will not change coverage. The diff coverage is 100.00%.

@@            Coverage Diff            @@
##              main      #151   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           42        46    +4     
  Lines         2520      2617   +97     
  Branches       561       583   +22     
=========================================
+ Hits          2520      2617   +97     

Impacted Files	Coverage Δ
contracts/marketplace/direct/BaseRoyaltyNFT.sol	100.00% <100.00%> (ø)
contracts/marketplace/direct/DirectSale.sol	100.00% <100.00%> (ø)
contracts/marketplace/direct/DirectSaleNFTs.sol	100.00% <100.00%> (ø)
contracts/marketplace/direct/RoyaltyNFT.sol	100.00% <100.00%> (ø)

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[dluks82]

All major functions have a test, but these need to be refined to test the values. I will do it soon