Merge pull request #15 from glints-dev/feature/upgrade-dependencies

update dependencies and also remove travis

Upgrade typescript-eslint to ^5.18.0.

Upgrade typescript-eslint to ^4.33.0.

Upgrade eslint-plugin-react-hooks to v4.4.0.

Upgrade dependencies.

Migrate babel-eslint to typescript-eslint.

Merge pull request #11 from glints-dev/feature/fix-no-undef

Remove react/no-set-state rule

Bump version to 2.0.0

Upgrade babel-eslint to v10.0.3.

Turn `no-unused-vars` and `react/prop-types` into errors..