docs: rename Linux Desktop use case to Computer Use

Reframe the use case around what the AI agent does (computer use)
rather than the underlying infrastructure (Linux desktop).

Author: beran-t

docs.json

@@ -45,7 +45,7 @@
           {
             "group": "Use cases",
             "pages": [
-              "docs/use-cases/linux-desktop"
+              "docs/use-cases/computer-use"
             ]
           },
           {

docs/use-cases/linux-desktop.mdx docs/use-cases/computer-use.mdxdocs/use-cases/linux-desktop.mdx renamed to docs/use-cases/computer-use.mdx

@@ -1,10 +1,10 @@
 ---
-title: "Linux Desktop"
-description: "Build AI agents that control virtual Linux desktops using OpenAI Computer Use API and E2B Desktop sandboxes with real-time visual feedback."
+title: "Computer Use"
+description: "Build AI agents that interact with virtual desktops using OpenAI Computer Use API and E2B Desktop sandboxes with real-time visual feedback."
 icon: "desktop"
 ---
 
-This guide is a demo version of [E2B Surf](https://github.com/e2b-dev/surf), an open-source AI agent that controls a virtual Linux desktop. Try the [live demo](https://surf.e2b.dev).
+This guide walks you through building an AI agent that can see and control a virtual Linux desktop — clicking, typing, scrolling, and navigating applications autonomously. It's based on [E2B Surf](https://github.com/e2b-dev/surf), an open-source computer use agent. Try the [live demo](https://surf.e2b.dev).
 
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