Updates why-fleet.md to better reflect how Fleet is used today.
Resolves
https://docs.google.com/document/d/1rroNFfb8j8zGJdkZX1wUKuzXv3Kh-VNlFeN7P8kTtT8/edit?usp=sharing
Changes:
- Removed "Managing computers today is getting harder," the middleman
framing, and the universal remote analogy from "What's it for?"
- Added diagnostics and audit use cases to "Get what you need."
- Called out IaC/GitOps directly in "Out of the box," with a link to the
YAML files configuration docs.
- Added a mention of the Fleet MCP server and AI-powered chat workflows
in "Out of the box."
- Added a link to GitOps workshops in "Out of the box," where IaC is
introduced.
- Trimmed "Good neighbors" to its core point: Fleet is independent, open
by design, and committed to osquery.
- Removed the extra dashes from "Scope transparency."
- De-emphasized Chromebooks in "Scope transparency" in favor of iOS and
Android.
- Simplified the "Ready to get started?" section; removed the push
toward "Get a demo."
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## Summary by CodeRabbit
* **Chores**
* Updated internal code review configuration for documentation files.
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