Create "web assets" folder containing necessary assets for landing page and social media support

[jrissman]

Currently, each model repo contains most of the items necessary to run and deploy the model online, including that model's individual documentation. However, the model repos are missing a few, critical files that are needed for a full deployment. We should create a new "web assets" folder within each model repo that contains:

• landing page background image
• social media sharing image
• open graph tags and text (all of these can be handled in a single text file)
• each logo that appears on the landing page, in the doc header bar, and/or in the model button bar

This will help make it easier for people to know exactly what files they need to provide for a new region, including specific pixel dimensions of each image, etc. It will also ensure nothing is overlooked, as it is particularly easy to overlook the social media share image and the open graph tags, as they only are visible when using the social media sharing functionality.

[jrissman]

The web assets folder should also contain a text file specifying where each image was taken from, to prove it is a public domain or creative commons image, and to give attribution credit for creative commons images.

[jrissman]

I'm now working with Todd to harmonize this issue with the closely-related issue 91 in the web app repo. https://github.com/Energy-Innovation/eps-webapp/issues/91

[jrissman]

This is really a web app thing, and it involves Todd's work on config files, so we're going to be tracking this over in the web app issue tracker and not tracking it here in the U.S. issue tracker. Accordingly, I'm closing this.