Add size animation to dots, move stories to component folder

src/ImageCarousel/ImageCarousel.stories.js

@@ -0,0 +1,13 @@
+import ImageCarouselView from './ImageCarouselView.svelte';
+
+export default {
+  title: 'ImageCarousel',
+  component: ImageCarouselView
+};
+
+const Template = ({ ...args }) => ({
+  Component: ImageCarouselView,
+  props: args
+});
+
+export const Primary = Template.bind({});