Fix #13

update readme

• add typescript support
• fix dependencies vulnerability
• remove lodash from dependecy
• add tree shaking information
• use webpack instead of gulp

New Features

1. Add customization.
2. Remove user installation of lodash.

Easier import

After using for a couple of times, it seems like this little wrapper is ready to be called as a first release.
Thanks to the pull request from others.
Please open issues and bugs if anything is found. 👍