React v.17

[magicarm22]

Please, add support for the react v.17. Thanks!

npm WARN config global `--global`, `--local` are deprecated. Use `--location=global` instead.
npm ERR! code ERESOLVE
npm ERR! ERESOLVE unable to resolve dependency tree
npm ERR!
npm ERR! While resolving: react-frontend@1.0.0
npm ERR! Found: react@17.0.2
npm ERR! node_modules/react
npm ERR!   react@"^17.0.2" from the root project
npm ERR!
npm ERR! Could not resolve dependency:
npm ERR! peer react@"^16.0.0" from react-tech-tree@0.8.5
npm ERR! node_modules/react-tech-tree
npm ERR!   react-tech-tree@"^0.8.5" from the root project
npm ERR!
npm ERR! Fix the upstream dependency conflict, or retry
npm ERR! this command with --force, or --legacy-peer-deps
npm ERR! to accept an incorrect (and potentially broken) dependency resolution.