feat: add storybook

stories/Button.stories.js

@@ -0,0 +1,54 @@
+import { fn } from '@storybook/test';
+
+import { createButton } from './Button';
+
+// More on how to set up stories at: https://storybook.js.org/docs/writing-stories
+export default {
+  title: 'Example/Button',
+  tags: ['autodocs'],
+  render: ({ label, ...args }) => {
+    // You can either use a function to create DOM elements or use a plain html string!
+    // return `<div>${label}</div>`;
+    return createButton({ label, ...args });
+  },
+  argTypes: {
+    backgroundColor: { control: 'color' },
+    label: { control: 'text' },
+    onClick: { action: 'onClick' },
+    primary: { control: 'boolean' },
+    size: {
+      control: { type: 'select' },
+      options: ['small', 'medium', 'large'],
+    },
+  },
+  // Use `fn` to spy on the onClick arg, which will appear in the actions panel once invoked: https://storybook.js.org/docs/essentials/actions#action-args
+  args: { onClick: fn() },
+};
+
+// More on writing stories with args: https://storybook.js.org/docs/writing-stories/args
+export const Primary = {
+  args: {
+    primary: true,
+    label: 'Button',
+  },
+};
+
+export const Secondary = {
+  args: {
+    label: 'Button',
+  },
+};
+
+export const Large = {
+  args: {
+    size: 'large',
+    label: 'Button',
+  },
+};
+
+export const Small = {
+  args: {
+    size: 'small',
+    label: 'Button',
+  },
+};