feat(component): add Tooltip

Closes #11

- Fixes `tabindex` prop storybook typo

src/components/Tabs/Tabs.stories.js

@@ -37,7 +37,7 @@ export const Container = () => ({
       disabled: boolean('Disabled (disabled in <Tab>)', false),
       href: text('The href for tab (href in <Tab>)', '#'),
       role: text('ARIA role (role in <Tab>)', 'presentation'),
-      tabindex: number('Tab index (tabindex in <Tab>)', 0)
+      tabindex: text('Tab index (tabindex in <Tab>)', '0')
     }
   }
 });