Develop a new page "Outbreak"

[nekrut]

• Link from masthead "Outbreak"
• Clicking on outbreak gets you to a filtered down version of "Oganism" page with most relevant taxa including, SARS-CoV-2, MPOX, AIV, ...
• Buttons for each taxa will go to outside resources such as NCBI Virus
• Analyze button will list our currently available workflows: (e.g., virology.usegalaxy.eu)
• We will also offer latest viz using @guerler Observable integration Add visualization entry point for observable notebooks galaxy#18931 and notebooks produced by https://observablehq.com/@spond?tab=profile