jsconfig for a bit of autocompletion and intellisense

Fixes #4762

Co-Authored-By: taloth <taloth@users.noreply.github.com>

frontend/jsconfig.json

@@ -0,0 +1,20 @@
+{
+  "compilerOptions": {
+      "target": "es6",
+      "checkJs": false,
+      "baseUrl": "src",
+      "jsx": "react",
+      "module": "commonjs",
+      "moduleResolution": "node",
+      "paths": {
+          "*": [
+              "*"
+          ]
+      }
+  },
+  "include": [
+      "./src/**/*"
+  ],
+  "exclude": [
+  ]
+}