Add "Edit this page on GitHub" link to documentation pages

[GaneshPatil7517]

Description

Add a link on each documentation page that allows users to quickly navigate to the source file on GitHub for editing. This encourages community contributions and makes it easier to fix documentation issues.

Acceptance Criteria

• Add "Edit on GitHub" link to documentation page template
• Link should point to the correct source file in the appropriate repository
• Style the link to be visible but not intrusive

Implementation Notes

• Antora provides page attributes that can be used to construct the edit URL
• The link should appear near the page title or in the sidebar

Type

Enhancement / Developer Experience

[GaneshPatil7517]

hey @davsclaus can you assign me this issue i want to work on this...