fix: remove binding from render

add onAttentionClick and expose remove

- Feature request: diegoddox#170
- Expose remove on toastr object to simply copy default behavior

fix peerDependencies

remove unused props diegoddox#148

fix trantionout diegoddox#156

fix build

update css link

add key to the array

refactor the prop-types dependence

refactor the confirm message witdh