⬆️(react) upgrade package to use official tokens

... and install user-event library. Setting the stage for
the implementation of real tokens in the Button component.

packages/react/package.json

@@ -52,6 +52,7 @@
     "@storybook/testing-library": "0.0.13",
     "@testing-library/dom": "8.19.1",
     "@testing-library/react": "13.4.0",
+    "@testing-library/user-event": "14.4.3",
     "@types/react": "18.0.26",
     "@types/react-dom": "18.0.10",
     "@vitejs/plugin-react": "3.0.0",

packages/react/src/index.scss

@@ -1,3 +1,4 @@
+@import "@fontsource/roboto/100";
 @import "@fontsource/roboto/300";
 @import "@fontsource/roboto/400";
 @import "@fontsource/roboto/700";

packages/react/tsconfig.json

@@ -2,7 +2,8 @@
   "extends": "@openfun/typescript-configs/react.json",
   "compilerOptions": {
     "noEmit": true,
-    "baseUrl": "./src"
+    "baseUrl": "./src",
+    "types": ["vitest/globals"]
   },
   "include": ["src", "cunningham.ts"],
   "exclude": ["node_modules","dist", "**/tokens.ts"],