feat: Added Metaplex Token Metadata program cloning and updated README (#96)

* Update readme.MD

* Added metaplex token program cloning

* Added cargo.lock file

* Added cargo.lock

Author: ASCorreia

tokens/nft-operations/anchor/Anchor.toml

@@ -14,8 +14,14 @@ mint_nft = "3EMcczaGi9ivdLxvvFwRbGYeEUEHpGwabXegARw4jLxa"
 url = "https://api.apr.dev"
 
 [provider]
-cluster = "devnet"
+cluster = "localnet"
 wallet = "~/.config/solana/id.json"
 
 [scripts]
 test = "yarn run ts-mocha -p ./tsconfig.json -t 1000000 tests/**/*.ts"
+
+[test.validator]
+url = "https://api.mainnet-beta.solana.com"
+
+[[test.validator.clone]]
+address = "metaqbxxUerdq28cj1RbAWkYQm3ybzjb6a8bt518x1s"