✨(react) add tokens.ts files handling

These files will be used to define the custom design tokens per components.
They are automatically aggregated by the packages/react/cunningham.ts file,
this is why handling typescript config file was important.

packages/react/vite.config.ts

@@ -1,6 +1,7 @@
 import { defineConfig } from "vitest/config";
 import react from "@vitejs/plugin-react";
 import dts from "vite-plugin-dts";
+import tsconfigPaths from "vite-tsconfig-paths";
 
 // https://vitejs.dev/config/
 export default defineConfig({
@@ -24,9 +25,15 @@ export default defineConfig({
       },
     },
   },
-  plugins: [dts(), react()],
+  plugins: [tsconfigPaths(), dts(), react()],
   test: {
     environment: "jsdom",
+    reporters: "verbose",
     globals: true,
+    coverage: {
+      all: true,
+      include: ["src/**/*.{ts,tsx}"],
+      exclude: ["**/*.stories.tsx", "**/*.spec.tsx"],
+    },
   },
 });