UPDATE the readme file

[FrancescoXX]

Update the readme file and check the steps to recreate the local dev environment

https://github.com/FrancescoXX/rustcrab/blob/main/README.md

[khayss]

Hello, pls assign this issue to me.

I am an intermediate full-stack developer with experience in web and blockchain development. I currently have a good grasp of Typescript, Rust, and Solidity. I'm actively sourcing for open-source projects to contribute.

[FrancescoXX]

perfect

[khayss]

@FrancescoXX can I get a link to the discord or where I can easily ask questions?

[github-actions]

Hello! 👋

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