DDS updates and improvements about dash-docs HOT 5 CLOSED

• a static assets section. since the apps are deployed under a app name prefix, embedding images under /assets/my-image.png won't work, it has to be '/{}/assets/my-image.png'.format(os.environ.get('DASH_APP', '')). We should test that on the actual instance and then recommend it in our docs and in dopsa (plotly/dash-on-premise-sample-app#20)
• We link to the CSS section in the docs, we should make sure that the current method of including CSS files through the assets folder works on DDS the same way

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• Dash PDF Generation API

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• Packaging private python packages for deployment

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• For the Troubleshooting section, we should have a section about using the latest versions of packages with links to each package's changelogs.
• Related, if they are deploying an existing app, then they need the changes from dash 0.25.0 (https://github.com/plotly/dash/blob/master/CHANGELOG.md#0250---2018-08-14). The latest version of dash should be fine. If not, they might see this issue:
  

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@chriddyp starting to add some more content this week. If possible, can you point me towards some info and examples for #144 (comment)

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