docs: update MSX guidance links

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Author: MariusStorhaug

.github/plugin/psmodule/skills/psmodule-v8-upgrade/SKILL.md

@@ -321,4 +321,4 @@ workflow validation.
 - [Pester v6 quick start](https://pester.dev/docs/v6/quick-start)
 - [Pester `New-PesterConfiguration` command](https://pester.dev/docs/commands/New-PesterConfiguration)
 - [Pester `Invoke-Pester` command](https://pester.dev/docs/commands/Invoke-Pester)
-- [MSX PR format](https://msxorg.github.io/docs/Ways-of-Working/PR-Format/)
+- [MSX PR format](https://msx.no/docs/Ways-of-Working/PR-Format/)

docs/content/guides/writing-plugin-skills.md

@@ -89,6 +89,6 @@ update the skill without duplicating the common documentation.
 
 - [PSModule process plugin](https://github.com/PSModule/Process-PSModule/tree/main/.github/plugin)
 - [MSX Agentic Development](https://msx.no/docs/Ways-of-Working/Agentic-Development/)
-- [MSX Documentation Model](https://msxorg.github.io/docs/Ways-of-Working/Documentation-Model/)
-- [MSX Markdown standard](https://msxorg.github.io/docs/Coding-Standards/Markdown/)
-- [MSX Natural Language standard](https://msxorg.github.io/docs/Coding-Standards/Natural-Language/)
+- [MSX Documentation Model](https://msx.no/docs/Ways-of-Working/Documentation-Model/)
+- [MSX Markdown standard](https://msx.no/docs/Coding-Standards/Markdown/)
+- [MSX Natural Language standard](https://msx.no/docs/Coding-Standards/Natural-Language/)