feat: add husky pre-commit hooks with lint-staged

[TaprootFreak]

Summary

• Adds husky pre-commit hooks to automatically run ESLint and Prettier checks on staged TypeScript files
• Prevents CI failures by catching lint and formatting issues before commits are pushed
• Runs checks only on staged files for fast feedback

Changes

• Added .husky/pre-commit hook that runs lint-staged
• Added lint-staged configuration in package.json

Test plan

• Run npm run lint - passes
• Run npm run format:check - passes
• Run npm run build - passes
• Test pre-commit hook by making a commit