Upgrade react and react-scripts

Author: wesbos

catch-of-the-day/package.json

@@ -4,15 +4,15 @@
   "private": true,
   "devDependencies": {
     "concurrently": "4.1.0",
-    "react-scripts": "^1.1.4"
+    "react-scripts": "^2.1.1"
   },
   "dependencies": {
     "autoprefixer-stylus": "0.14.0",
     "firebase": "^5.7.0",
     "prop-types": "^15.6.0",
     "re-base": "4.0.0",
-    "react": "^16.3.0-alpha.1",
-    "react-dom": "^16.3.0-alpha.1",
+    "react": "^16.6.3",
+    "react-dom": "^16.6.3",
     "react-router-dom": "^4.2.2",
     "react-transition-group": "^2.2.1",
     "serve": "^10.1.1",
@@ -26,5 +26,11 @@
     "eject": "react-scripts eject",
     "styles": "stylus -u autoprefixer-stylus ./src/css/style.styl -o ./src/css/style.css",
     "styles:watch": "stylus -u autoprefixer-stylus -w ./src/css/style.styl -o ./src/css/style.css"
-  }
+  },
+  "browserslist": [
+    ">0.2%",
+    "not dead",
+    "not ie <= 11",
+    "not op_mini all"
+  ]
 }