Allow react 17 as peerDependency

Author: anajavi

package.json

@@ -38,7 +38,7 @@
   "license": "MIT",
   "peerDependencies": {
     "moment": "^2.16.0",
-    "react": "^16.5.0"
+    "react": "^16.5.0 || ^17.0.0"
   },
   "devDependencies": {
     "@babel/core": "7.7.4",