✨ Add ElevenLabs block (#1226)

Closes #853

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **New Features**
- Introduced the ElevenLabs block for Typebot, enabling text to speech
conversion using ElevenLabs API.
- Added live tutorial videos for creating ElevenLabs and Telegram
blocks.
- Added a `docsUrl` for the OpenAI block to improve accessibility to
documentation.

- **Documentation**
- New guides and integration details for ElevenLabs and Telegram blocks.

- **Style**
	- Added ElevenLabs logos for light and dark themes.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

apps/docs/openapi/viewer.json

@@ -9263,7 +9263,8 @@
                   "chat-node",
                   "qr-code",
                   "dify-ai",
-                  "mistral"
+                  "mistral",
+                  "elevenlabs"
                 ]
               },
               "options": {}