✨(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/tokens/src/bin/TokensGenerator.ts

@@ -12,6 +12,6 @@ export type Tokens = Record<PropertyKey, unknown>;
 
 export const tokensGenerator = (config: ConfigShape): Tokens => {
   return {
-    colors: { ...config.theme.colors },
+    ...config,
   };
 };