Heres a quick guide on what I did, sorry I dont really have time to go more in-depth right now but it shows the main steps;
And heres a download link to the project;
I would assume you will have to update the contract address and abi before you get any results as its contract specific for now and obviously im using one of my own test contracts.
I would be really interested to know if and how you manage to develop this as its still not fullfilling all the functionality I want, namely displaying all nfts owned by an address