React 19

[bobgubko]

Is your feature request related to a problem? Please describe.
I'm getting errors when I try to install react-simple-keyboard for react 19.

Describe the solution you'd like
Add react@19 to peerDeps in package.json

Describe alternatives you've considered
npm install --force still works

Additional context

npm ERR! While resolving: react-simple-keyboard@3.8.32
npm ERR! Found: react@19.0.0
npm ERR! node_modules/react
npm ERR!   peer react@">=16.8.0" from react-countdown-circle-timer@3.2