Release 1.1

Resolves issues on v1.0

• fix esm and cjs build errors
• only build in cjs cz esm can import from cjs
• add test folder and cjs and esm files in it
• add lint-staged to reduce precommit linting time
• fix index.ts for properly exporting class
• update github workflows to build, test, lint and run prettier
• add appropiate scripts to package.json
• update readme appropiately