message: fix(standalone-toast): add as dev dependency
diff: "@reach/rect": "0.11.0"
  },
  "devDependencies": {
  - "@chakra-ui/system": "1.0.0-rc.5"
  + "@chakra-ui/system": "1.0.0-rc.5",
  + "@chakra-ui/theme": "1.0.0-rc.4"
  },
  "peerDependencies": {
  - "@chakra-ui/system": ">=1.0.0-rc.3",
  + "@chakra-ui/system": ">=1.0.0-rc.4",
  "react": "16.x",
  "react-dom": "16.x"
  }
  