move codebase to typescript

package.json

@@ -14,6 +14,10 @@
     "@testing-library/jest-dom": "^5.11.4",
     "@testing-library/react": "^11.1.0",
     "@testing-library/user-event": "^12.1.10",
+    "@types/jest": "^27.4.0",
+    "@types/node": "^17.0.10",
+    "@types/react": "^17.0.38",
+    "@types/react-dom": "^17.0.11",
     "@walletconnect/client": "^1.6.2",
     "axios": "^0.24.0",
     "ethereum-checksum-address": "^0.0.6",
@@ -23,6 +27,7 @@
     "react-dom": "^17.0.2",
     "react-scripts": "4.0.3",
     "react-simple-code-editor": "^0.11.0",
+    "typescript": "^4.5.5",
     "web-vitals": "^1.0.1"
   },
   "scripts": {