Build the Multisig Contract in solana

What's Changed

• feat: created rust-clippy.yml by @DhruvWebDev in #2
• feat: Updated the enum ErrorCode by @DhruvWebDev in #1
• fix: rust-clippy.yml by @DhruvWebDev in #3
• Update: build-multisig.yml by @DhruvWebDev in #4
• Update build-multisig.yml by @DhruvWebDev in #5
• fixed: Version of the anchor-lang by @DhruvWebDev in #6
• Fix/#2 anchor version by @DhruvWebDev in #9
• feat: Wrote a basic program and testcases for the contract by @DhruvWebDev in #10
• fixed: some syntax error in the program that was causing build error by @DhruvWebDev in #11
• #14 add .gitignore file by @DhruvWebDev in #15
• Feat/#2 Refactor: Codebase by @DhruvWebDev in #13
• Feat/#14 fixed: anchor build error by @DhruvWebDev in #16
• #17 Update README.md by @DhruvWebDev in #18

New Contributors

• @DhruvWebDev made their first contribution in #2

Full Changelog: https://github.com/SolanaCore/multisig/commits/v0.0.1