Implement redux.

package.json

@@ -39,6 +39,7 @@
   },
   "dependencies": {
     "@prisma/client": "2.3.0",
+    "@reduxjs/toolkit": "^1.4.0",
     "bcrypt": "^5.0.0",
     "chalk": "^4.1.0",
     "chart.js": "^2.9.3",
@@ -60,9 +61,12 @@
     "promise-polyfill": "^8.1.3",
     "react": "16.13.1",
     "react-dom": "16.13.1",
+    "react-redux": "^7.2.1",
     "react-simple-maps": "^2.1.2",
     "react-spring": "^8.0.27",
     "react-tooltip": "^4.2.7",
+    "redux": "^4.0.5",
+    "redux-thunk": "^2.3.0",
     "request-ip": "^2.1.3",
     "tinycolor2": "^1.4.1",
     "unfetch": "^4.1.0",