[Radar] realtime routes visualization glossary

[digizeph]

Summary

Add glossary text for Cloudflare Radar realtime routes visualization on prefix pages.

Documentation checklist

• The documentation style guide has been adhered to.

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PR Change Summary

Added glossary text for real-time routes visualization in Cloudflare Radar documentation.

• Introduced a new section on BGP real-time routes visualization.
• Described the Sankey diagram representation of real-time BGP routes.
• Included details on prefix origin and visibility percentage in the visualization.

Modified Files

• src/content/docs/radar/glossary.mdx

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[andre-j3sus]

left two comments. but lgtm!

[andre-j3sus]

lgtm