Mint
Minting is done using safeMint function in both (PNDC_ERC721 and TokenERC721) contracts.
For PNDC_ERC721
    safeMint(
        address to,
        string memory uri,
        LibShare.Share[] memory royalties
    )
- to: address of the owner
 - uri: suffix for the token uri
 - royalties: array of Share struct
 
For TokenERC721
    safeMint(
        address to,
        string memory uri,
        RoyaltiesSet memory royaltiesSet
    )
- to: address of the owner
 - uri: suffix for the token uri
 - royaltiesSet: RoyaltiesSet struct