Add syntax highlighting to construct documentation code examples

[stefanjudis]

Added the last missing pieces for the PWN check docs.

[Copilot]

Pull Request Overview

Adds syntax highlighting annotations to code examples across construct documentation files. The changes make code examples more readable by highlighting specific relevant lines in TypeScript code blocks.

• Updated all MDX files to include highlight attributes in code blocks
• Standardized formatting for usage sections and fixed some inconsistencies
• Cleaned up documentation content and removed TODO comments

Reviewed Changes

Copilot reviewed 19 out of 19 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
webhook-alert-channel.mdx	Added line highlighting to all usage examples and standardized formatting
url-monitor.mdx	Added syntax highlighting to code examples
tcp-monitor.mdx	Added syntax highlighting and improved usage documentation
status-page.mdx	Added line highlighting to TypeScript examples
status-page-service.mdx	Added syntax highlighting to usage example
sms-alert-channel.mdx	Added highlighting and fixed parameter ordering
slack-alert-channel.mdx	Added line highlighting to all code examples
retry-strategy.mdx	Added highlighting and standardized usage formatting
project.mdx	Added highlighting and improved code examples
playwright-check.mdx	Cleaned up content, removed TODOs, and added comprehensive highlighting
multistep-check.mdx	Added syntax highlighting to usage examples
maintenance-window.mdx	Added highlighting and improved documentation structure
heartbeat-monitor.mdx	Added line highlighting to all usage examples
email-alert-channel.mdx	Added syntax highlighting and standardized formatting
dashboard.mdx	Added comprehensive line highlighting to examples
check-group.mdx	Added highlighting and import statements
check-group-v2.mdx	Added highlighting and import statements
browser-check.mdx	Added line highlighting and import statements
api-check.mdx	Added highlighting to all code examples

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