This gives an hypothetical idea of how to add WalletConnect (which includes Trust Wallet) using Moralis. All you have to do is to include walletconnect as a provide. The challenge is the walletconnect is provided by an old github library. It may not work any more.
Warning this is an older tutorial and an older extension. All our tutorials and codes have not been tested in the production environment. We are not responsible for costs and damages. Do your own research. Any crypto codes must be thoroughly tested and audited by you.