Apply ERC 721 standards 💻✅

Name		Name	Last commit message	Last commit date
Latest commit History 2 Commits
contracts		contracts
ignition		ignition
test		test
.gitignore		.gitignore
README.md		README.md
hardhat.config.ts		hardhat.config.ts
package-lock.json		package-lock.json
package.json		package.json
tsconfig.json		tsconfig.json

Provide feedback