refactor Avatar story to mdx

Author: Lukas742

packages/main/src/webComponents/Avatar/Avatar.stories.mdx

@@ -0,0 +1,62 @@
+import { Meta, Story, Canvas, ArgsTable } from '@storybook/addon-docs/blocks';
+import { Avatar } from '@ui5/webcomponents-react/lib/Avatar';
+import { AvatarBackgroundColor } from '@ui5/webcomponents-react/lib/AvatarBackgroundColor';
+import '@ui5/webcomponents-icons/dist/icons/employee.js';
+import { Icon } from '@ui5/webcomponents-react/lib/Icon';
+import { AvatarFitType } from '@ui5/webcomponents-react/lib/AvatarFitType';
+import { AvatarShape } from '@ui5/webcomponents-react/lib/AvatarShape';
+import { AvatarSize } from '@ui5/webcomponents-react/lib/AvatarSize';
+import { CSSProperties, Ref } from 'react';
+
+import { createSelectArgTypes } from '@shared/stories/createSelectArgTypes';
+import { DocsHeader } from '@shared/stories/DocsHeader';
+
+<Meta
+  title="UI5 Web Components / Avatar"
+  component={Avatar}
+  argTypes={{
+    ...createSelectArgTypes({
+      backgroundColor: AvatarBackgroundColor,
+      imageFitType: AvatarFitType,
+      shape: AvatarShape,
+      size: AvatarSize
+    }),
+    slot: { control: { disable: true } },
+    ref: { control: { disable: true } },
+    style: {
+      type: CSSProperties,
+      description:
+        'Element style which will be appended to the most outer element of a component. Use this prop carefully, some css properties might break the component.'
+    },
+    className: {
+      type: 'string',
+      description:
+        'CSS Class Name which will be appended to the most outer element of a component. Use this prop carefully, overwriting CSS rules might break the component.'
+    },
+    tooltip: { type: 'string', description: 'A tooltip which will be shown on hover' }
+  }}
+  args={{
+    backgroundColor: AvatarBackgroundColor.Accent6,
+    icon: 'employee',
+    imageFitType: AvatarFitType.Cover,
+    shape: AvatarShape.Circle,
+    size: AvatarSize.S,
+    style: {},
+    className: '',
+    tooltip: '',
+    slot: '',
+    ref: null
+  }}
+/>
+
+<DocsHeader />
+
+<Canvas>
+  <Story name="Default">
+    {(args) => {
+      return <Avatar {...args} />;
+    }}
+  </Story>
+</Canvas>
+
+<ArgsTable story="." />