Enhance x0 sphinx documentation with internal links and x0-skeleton examples#167

clauspruefer merged 2 commits intomainWEBcodeX1/x0:mainfrom

copilot/fix-8a53b67b-626b-49a2-b07f-42e9c981584cWEBcodeX1/x0:copilot/fix-8a53b67b-626b-49a2-b07f-42e9c981584cCopy head branch name to clipboard