Improve test coverage and refactor storybook arch (#723)

* Improve test coverage and refactor storybook arch

* Fix coverage

* Fix tests

* Fix lint

* Fix lint

front/.storybook/main.js

@@ -55,6 +55,7 @@ module.exports = {
     "@storybook/addon-styling",
     "@storybook/addon-knobs",
     "storybook-addon-pseudo-states",
+    "storybook-addon-cookie",
   ],
   framework: {
     name: '@storybook/react-webpack5',

front/.storybook/preview.ts

@@ -28,6 +28,11 @@ const preview: Preview = {
         date: /Date$/,
       },
     },
+    options: {
+      storySort: {
+        order: ['UI', 'Modules', 'Pages'],
+      },
+    },
   },
 };