[WIP] Update WebServer documentation for Serverpod 3.0

[Copilot]

Thanks for the feedback on #342. I've created this new PR, which merges into #342, to address your comment. I will work on the changes and keep this PR's description up to date as I make progress.

Original PR: #342
Triggering comment (#342 (comment)):

@copilot I fixed the formatting. Just verify and close your comments

---

💬 We'd love your input! Share your thoughts on Copilot coding agent in our 2 minute survey.

[coderabbitai]

Important

Review skipped

Auto reviews are disabled on this repository.

Please check the settings in the CodeRabbit UI or the .coderabbit.yaml file in this repository. To trigger a single review, invoke the @coderabbitai review command.

You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.

---

_{Comment @coderabbitai help to get the list of available commands and usage tips.}