Update ssh docs

[heisbrot]

[Copilot]

Pull Request Overview

This PR introduces dedicated SSH documentation by creating a new SSH guide and updating existing references to point to the consolidated documentation. The changes centralize SSH setup instructions and improve the user experience by providing a dedicated resource for SSH configuration.

• Creates a new comprehensive SSH documentation page with setup instructions
• Updates CLI documentation to reference the new SSH guide
• Updates browser client documentation to use the new SSH reference
• Adds SSH page to the navigation menu

Reviewed Changes

Copilot reviewed 4 out of 6 changed files in this pull request and generated 2 comments.

File	Description
src/pages/how-to/ssh.mdx	New comprehensive SSH documentation with setup instructions for both client and dashboard
src/pages/how-to/cli.mdx	Updated SSH section to reference new dedicated SSH guide and improved formatting
src/pages/how-to/browser-client.mdx	Updated SSH reference link to point to new dedicated SSH documentation
src/components/NavigationDocs.jsx	Added SSH page to the how-to navigation menu

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