Add React 17 to peer dependencies (#67)

Author: tomasznguyen

package.json

@@ -52,7 +52,7 @@
   "peerDependencies": {
     "@material-ui/icons": "^1.0.0 || ^3.0.0 || ^4.0.0",
     "@material-ui/core": "^1.0.0 || ^2.0.0 || ^3.0.0 || ^4.0.0",
-    "react": "^16.3.0"
+    "react": "^16.3.0 || ^17.0.0"
   },
   "dependencies": {
     "prop-types": "^15.5.8"