docs: update README.md

Author: nekomeowww

README.md

@@ -146,21 +146,22 @@ pnpm -F @proj-airi/stage-tamagotchi dev
 
 ## Sub-projects born from this project
 
+- [Awesome AI VTuber](https://github.com/proj-airi/awesome-ai-vtuber): A curated list of AI VTubers and related projects
 - [`unspeech`](https://github.com/moeru-ai/unspeech): Universal endpoint proxy server for `/audio/transcriptions` and `/audio/speech`, like LiteLLM but for any ASR and TTS
 - [`hfup`](https://github.com/moeru-ai/hfup): tools to help on deploying, bundling to HuggingFace Spaces
+- [`xsai-transformers`](https://github.com/moeru-ai/xsai-transformers): Experimental [🤗 Transformers.js](https://github.com/huggingface/transformers.js) provider for [xsAI](https://github.com/moeru-ai/xsai).
+- [WebAI: Realtime Voice Chat](https://github.com/proj-airi/webai-realtime-voice-chat): Full example of implementing ChatGPT's realtime voice from scratch with VAD + STT + LLM + TTS.
 - [`@proj-airi/drizzle-duckdb-wasm`](https://github.com/moeru-ai/airi/tree/main/packages/drizzle-duckdb-wasm/README.md): Drizzle ORM driver for DuckDB WASM
 - [`@proj-airi/duckdb-wasm`](https://github.com/moeru-ai/airi/tree/main/packages/duckdb-wasm/README.md): Easy to use wrapper for `@duckdb/duckdb-wasm`
-- [`@proj-airi/lobe-icons`](https://github.com/proj-airi/lobe-icons): Iconify JSON bundle for amazing AI & LLM icons from [lobe-icons](https://github.com/lobehub/lobe-icons), support Tailwind and UnoCSS
 - [Airi Factorio](https://github.com/moeru-ai/airi-factorio): Allow Airi to play Factorio
 - [Factorio RCON API](https://github.com/nekomeowww/factorio-rcon-api): RESTful API wrapper for Factorio headless server console
 - [`autorio`](https://github.com/moeru-ai/airi-factorio/tree/main/packages/autorio): Factorio automation library
 - [`tstl-plugin-reload-factorio-mod`](https://github.com/moeru-ai/airi-factorio/tree/main/packages/tstl-plugin-reload-factorio-mod): Reload Factorio mod when developing
-- [🥺 SAD](https://github.com/moeru-ai/sad): Documentation and notes for self-host and browser running LLMs
 - [`@velin-dev/ml`](https://github.com/luoling8192/velin): Use Vue SFC and Markdown to write easy to manage stateful prompts for LLM
 - [`demodel`](https://github.com/moeru-ai/demodel): Easily boost the speed of pulling your models and datasets from various of inference runtimes.
 - [`inventory`](https://github.com/moeru-ai/inventory): Centralized model catalog and default provider configurations backend service
 - [MCP Launcher](https://github.com/moeru-ai/mcp-launcher): Easy to use MCP builder & launcher for all possible MCP servers, just like Ollama for models!
-- ~~[`@proj-airi/elevenlabs`](https://github.com/moeru-ai/airi/tree/main/packages/elevenlabs): TypeScript definitions for ElevenLabs API~~
+- [🥺 SAD](https://github.com/moeru-ai/sad): Documentation and notes for self-host and browser running LLMs.
 
 ```mermaid
 %%{ init: { 'flowchart': { 'curve': 'catmullRom' } } }%%