📝(react) add RHF examples

Rework a bit the recent work made on RHF example to make some component
more generic, such as RhfSelect and RhfDatepicker, which is based on a
design using RHF context hooks to provide a seamless integration.

Fixes #144

packages/react/.eslintrc.cjs

@@ -17,6 +17,8 @@ module.exports = {
           "**/*.stories.tsx",
           "**/*.spec.tsx",
           "src/tests/*",
+          "**/stories-utils.tsx",
+          "**/reactHookFormUtils.tsx"
         ],
       },
     ],