Dash Gallery

On the gallery there are a few apps that have "View on Github" buttons that link to Dash-Bio master repos, rather than dash-sample apps repos. Shows up as "404" on github for visitors to the site.

Replicate by visiting this link --> https://dash-gallery.plotly.host/dash-pileup-demo/

• Click on view on github button in top right corner

Affected Gallery apps:
https://dash-gallery.plotly.host/dash-pileup-demo/
https://dash-gallery.plotly.host/dash-ngl-molecule-viewer/

will update if more bugs found