Added Requesty as a provider

Requesty is an OpenAI compatible AI gateway. The provider mirrors OpenRouter: chat completions over https://router.requesty.ai/v1/, the same project headers, and a model list read from both the managed policies (models/managed) and the full catalog (models), including the context window.

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).
+- `requesty.svg` is adapted from the [Requesty site icon](https://www.requesty.ai/apple-icon.png).
 - `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/requesty.svg

@@ -0,0 +1 @@
+<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><g transform="rotate(-5 12 12)"><path d="M4.5 3h15A2.5 2.5 0 0122 5.5v10a2.5 2.5 0 01-2.5 2.5h-8.25L7.5 22v-4h-3A2.5 2.5 0 012 15.5v-10A2.5 2.5 0 014.5 3z" fill="#1A73F5"/><path d="M6.5 7.5l4 2.75-4 2.75" fill="none" stroke="#fff" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.8"/><path d="M12.5 14.5h4.5" fill="none" stroke="#fff" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.8"/></g></svg>