chore: adjust template

several improvements
update dependencies
use vercel for storybook
lint pre-commit

src/components/Button/Button.stories.js

@@ -1,9 +1,15 @@
 import Button from './';
 
-export function Default() {
-	return <Button>Button</Button>;
+function Template({children, ...args}) {
+	return <Button {...args}>{children}</Button>;
 }
 
+export const Default = Template.bind({});
+
+Default.args = {
+	children: 'Button',
+};
+
 const story = {
 	title: 'Button',
 	component: Button,

src/utils/unit.js

@@ -1,5 +1,6 @@
 /**
- * Appends the rem unit suffix to a number
+ * Appends the rem unit suffix to a number.
+ *
  * @param {number} n
  * @return {string}
  * @example