✨ 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 -->

packages/forge/blocks/openai/index.ts

@@ -15,4 +15,5 @@ export const openAIBlock = createBlock({
   auth,
   options: baseOptions,
   actions: [createChatCompletion, askAssistant, createSpeech],
+  docsUrl: 'https://docs.typebot.io/forge/blocks/openai',
 })