Refactor Autopilot mode explanation in README

[DanWahlin]

Removed redundant explanation of Autopilot mode and streamlined the text for clarity.

[Copilot]

Pull request overview

Streamlines the README’s explanation of Copilot CLI Autopilot mode in the “Setup and First Steps” guide by simplifying the launch example.

Changes:

• Updated the Autopilot mode section to remove the inline placeholder task from the copilot --autopilot ... example.

Show a summary per file

File	Description
01-setup-and-first-steps/README.md	Adjusts Autopilot mode documentation and the suggested command invocation.

Copilot's findings

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• Files reviewed: 1/1 changed files
• Comments generated: 1

[Copilot]

The updated inline example copilot --autopilot is ambiguous: as written it doesn’t show how the task/goal is provided for Autopilot to generate/follow a plan. Consider either keeping a placeholder argument (e.g., a quoted task) or explicitly stating that copilot --autopilot starts an interactive session in Autopilot mode where you then enter the task.

Suggested change

> 📚 **Autopilot mode**: You may have noticed Shift+Tab cycles through a third mode called **Autopilot**. In autopilot mode, Copilot works through an entire plan without waiting for your input after each step — like handing a task to a colleague and saying "let me know when you're finished." The typical workflow is plan → accept → autopilot, which means you need to be good at writing plans first. You can also launch directly into autopilot with `copilot --autopilot`. Get comfortable with Interactive and Plan modes first, then see the [official docs](https://docs.github.com/copilot/concepts/agents/copilot-cli/autopilot) when you're ready.

> 📚 **Autopilot mode**: You may have noticed Shift+Tab cycles through a third mode called **Autopilot**. In autopilot mode, Copilot works through an entire plan without waiting for your input after each step — like handing a task to a colleague and saying "let me know when you're finished." The typical workflow is plan → accept → autopilot, which means you need to be good at writing plans first. You can also launch directly into autopilot with `copilot --autopilot`, which starts an interactive session in Autopilot mode where you then enter the task or goal for Copilot to execute. Get comfortable with Interactive and Plan modes first, then see the [official docs](https://docs.github.com/copilot/concepts/agents/copilot-cli/autopilot) when you're ready.