Added LiteLLM as a new LLM provider (#909)

Co-authored-by: Thorsten Sommer <SommerEngineering@users.noreply.github.com>

app/MindWork AI Studio/wwwroot/images/provider-icons/README.md

@@ -9,6 +9,7 @@ All provider icons are shipped with AI Studio and loaded locally. No icon trigge
 - `openai*.svg` uses the OpenAI mark path from [Simple Icons 15.15.0](https://github.com/simple-icons/simple-icons/blob/15.15.0/icons/openai.svg) and black/white variants following the [OpenAI Design Guidelines](https://openai.com/brand/).
 - `fireworks.svg` is adapted from the [Fireworks AI site icon](https://fireworks.ai/icon0.svg).
 - `groq.svg` is adapted from the [Groq site icon](https://groq.com/favicon.svg).
+- `litellm.svg` is the bullet train emoji from [Twemoji 17.0.3](https://github.com/jdecked/twemoji/tree/v17.0.3), licensed under [CC-BY 4.0](https://creativecommons.org/licenses/by/4.0/). LiteLLM has no mark of its own and identifies itself with that emoji. Retrieved on 2026-08-30.
 - `provider*.svg` and `self-hosted*.svg` are neutral project-owned fallback graphics.
 - `gwdg.svg`, `openrouter.svg`, `google.svg` and `helmholtz.svg` were created by taking the official logo from their respective websites as images and creating a svg from them.
 

app/MindWork AI Studio/wwwroot/images/provider-icons/litellm.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 36 36"><path fill="#939598" d="M0 34h36v2H0z"/><path fill="#D1D3D4" d="M3 35h33V6H21c-4 0-5 2-5 2l-4 6S0 19 0 24c0 4 6 6 6 6l-3 5z"/><path fill="#231F20" d="M14 35l2-3h20v3z"/><path d="M0 23.999c0 4 6 6 6 6V17.125C3 19 0 21.499 0 23.999zM6 30v-.001V30z" fill="#3B88C3"/><path fill="#269" d="M6 30l-3 5h33v-5z"/><path fill="#3B88C3" d="M20 30l4-6h12v6z"/><path fill="#55ACEE" d="M26 8H16l-4 6h-.001 10.843c.477 0 1.108-.448 1.412-1l2.197-4c.303-.552.102-1-.451-1z"/><path fill="#3B88C3" d="M25.902 10l.549-1c.303-.552.102-1-.451-1H16l-1.333 2h11.235z"/></svg>