use create react app to simplify the application

scripts/generateJson.js

@@ -0,0 +1,28 @@
+#!/usr/bin/env node
+
+"use strict";
+
+// Do this as the first thing so that any code reading it knows the right env.
+process.env.BABEL_ENV = "production";
+process.env.NODE_ENV = "production";
+
+// Makes the script crash on unhandled rejections instead of silently
+// ignoring them. In the future, promise rejections that are not handled will
+// terminate the Node.js process with a non-zero exit code.
+process.on("unhandledRejection", (err) => {
+  throw err;
+});
+
+// TODO: execute yarn build:tasks to create bin folder with compiled radarJsonGenerator
+
+require("../bin/tasks/radarjson")
+  .radarJsonGenerator()
+  .then(() => {
+    console.log("rd.json created");
+  })
+  .catch((err) => {
+    if (err && err.message) {
+      console.error(err.message);
+    }
+    process.exit(1);
+  });