feat: add storybook theming

Author: codebender828

.storybook/config.js

@@ -1,6 +1,6 @@
 import { configure, addDecorator } from '@storybook/vue';
 import Vue from 'vue'
-import ThemeProvider from '../src/components/ThemeProvider'
+import ThemeProvider from 'kiwi'
 import theme from '../src/lib/theme'
 import icons from '../src/lib/plugin/iconsPaths'
 import Kiwi from '../src/lib/plugin'

.storybook/theme.js

@@ -0,0 +1,8 @@
+import { create } from '@storybook/theming';
+
+export default create({
+  base: 'light',
+  brandTitle: 'Kiwi UI Storybook',
+  brandUrl: 'https://github.com/codebender828/kiwi-ui',
+  brandImage: 'https://res.cloudinary.com/xtellar/image/upload/v1575300763/kiwi-ui/kiwi-ui-logo-h_w4ltfh.svg',
+});