Add a simple CI workflow: TypeScript lint and cargo check

[karrisanthoshigayatri]

#19

Description

Please include a summary of the changes and the related issue. List any dependencies that are required for this change.

Fixes # (issue)

Reminder: This PR must target the main branch. PRs targeting other branches will not be reviewed.

Type of Change

Please delete options that are not relevant.

• Bug fix (fix/ branch — non-breaking change that fixes an issue)
• New feature (feat/ branch — non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update (docs/ branch)
• Chore / tooling (chore/ branch — no production code change)

How Has This Been Tested?

Please describe the tests that you ran to verify your changes.

• Frontend: npx tsc --noEmit, npx eslint . --max-warnings 0, npx vitest run
• Backend: cargo fmt --check, cargo clippy --all-targets --all-features -- -D warnings, cargo test --all

Checklist

• My branch is named following the convention (feat/, fix/, docs/, chore/, test/)
• My branch is up to date with upstream/main
• My commits follow Conventional Commits guidelines
• My code follows the style guidelines of this project
• My changes generate no new warnings or compiler errors
• I have added tests that prove my fix is effective or that my feature works
• I have updated relevant documentation if needed

[Yuvraj-Sarathe]

@karrisanthoshigayatri you have made 2 PRs for one issue. Delete one of them.

[Wombatfreak6]

@karrisanthoshigayatri fill out the description