feat: Add Ask assistant behind feature flag (#9995)

Co-authored-by: Ricardo Espinoza <ricardo@n8n.io>
Co-authored-by: Milorad Filipovic <milorad@n8n.io>

packages/design-system/src/components/AskAssistantAvatar/AssistantAvatar.stories.ts

@@ -0,0 +1,25 @@
+import AssistantAvatar from './AssistantAvatar.vue';
+import type { StoryFn } from '@storybook/vue3';
+
+export default {
+	title: 'Assistant/AssistantAvatar',
+	component: AssistantAvatar,
+	argTypes: {},
+};
+
+const Template: StoryFn = (args, { argTypes }) => ({
+	setup: () => ({ args }),
+	props: Object.keys(argTypes),
+	components: {
+		AssistantAvatar,
+	},
+	template: '<AssistantAvatar v-bind="args" />',
+});
+
+export const Default = Template.bind({});
+Default.args = {};
+
+export const Mini = Template.bind({});
+Mini.args = {
+	size: 'mini',
+};