Generate and add new favicons to the site

[jaylenw]

Problem

Once we have determined our new logo we need to make sure we satisfy all of the favicon requirements for the different browsers and mobile devices.

Solution

Let's see if we can use the favicon generator, https://realfavicongenerator.net/ to generate the multiple favicons we need for various browsers and devices. If this works, let's add this to the codebase.