seo fixes

[NickIliev]

part of https://kinvey.atlassian.net/browse/FID-7913

[Copilot]

Pull Request Overview

This PR implements SEO fixes by adding description meta tags to documentation pages for better search engine optimization. The changes primarily focus on improving documentation discoverability through descriptive meta descriptions.

• Added description metadata to 31 documentation files across troubleshooting, tasks, and knowledge base sections
• Fixed spelling errors in existing description fields
• Updated external links and removed broken reference links
• Enhanced code formatting with proper syntax highlighting

Reviewed Changes

Copilot reviewed 34 out of 34 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
troubleshoot-fiddler/*.md	Added SEO descriptions for troubleshooting guides
observe-traffic/tasks/*.md	Added descriptions for traffic observation task documentation
knowledge-base/*.md	Added descriptions for knowledge base articles and fixed formatting
save-and-load-traffic/tasks/vswebtest.md	Removed broken link reference and cleaned up markdown
extend-fiddler/*.md	Added descriptions for extension development guides
configure-fiddler/tasks/*.md	Added descriptions for configuration task documentation
generate-traffic/tasks/*.md	Added descriptions for traffic generation guides
_config.yml	Updated video links to current URLs

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