With react 17, it's no longer required to import React when using JSX

Issue: GREG-70

frontend/.eslintrc.json

@@ -23,6 +23,8 @@
   "rules": {
     "semi": "off",
     "react/jsx-props-no-spreading": "off",
-    "@typescript-eslint/semi": ["error", "never"]
+    "@typescript-eslint/semi": ["error", "never"],
+    "react/jsx-uses-react": "off",
+    "react/react-in-jsx-scope": "off"
   }
 }