✨ Add audio bubble block

Closes #167

packages/models/src/features/blocks/bubbles/audio.ts

@@ -0,0 +1,18 @@
+import { z } from 'zod'
+import { blockBaseSchema, BubbleBlockType } from '../shared'
+
+export const audioBubbleContentSchema = z.object({
+  url: z.string().optional(),
+})
+
+export const audioBubbleBlockSchema = blockBaseSchema.and(
+  z.object({
+    type: z.enum([BubbleBlockType.AUDIO]),
+    content: audioBubbleContentSchema,
+  })
+)
+
+export const defaultAudioBubbleContent = {}
+
+export type AudioBubbleBlock = z.infer<typeof audioBubbleBlockSchema>
+export type AudioBubbleContent = z.infer<typeof audioBubbleContentSchema>