Update StarNotary.sol - It needs a a constructor to compile now!

[noahfigueras]

I was trying to compile the sample code for my course and It throws me the following compiler error:

node_modules/openzeppelin-solidity/contracts/token/ERC721/ERC721.sol:93:5: Missing implementation:
constructor (string memory name, string memory symbol) public {
^ (Relevant source part starts here and spans across multiple lines).

It looks like it needs the ERC721 token to Initialize with name and symbol as parameters in the constructor if I'm not wrong. I implemented that and now it compiles with no errors.

[noahfigueras]

Also, just found out _transferFrom function doesn't exist. The one currently available is _transfer