Add Blockchain section

[FrancescoXX]

Add a section focused on blockchain, focused on where Rust is used, for example Solana

[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.

[shivankurchavan]

Please assign this to me.

[FrancescoXX]

assigned to @shivankurchavan , as @khayss you have another issue assigned dalready

[shivankurchavan]

hello @FrancescoXX , please review PR - #180 , also can you please add hacktoberfest tag to this repo.

you can find more info about this here https://hacktoberfest.com/participation/#pr-mr-details

[github-actions]

Hello! 👋

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