Apart from the Laravel dependencies, namely PHP >= 7.0.0, OpenSSL PHP Extension, PDO PHP Extension, Mbstring PHP Extension, Tokenizer PHP Extension and XML PHP Extension, the only other thing Heimdall needs is sqlite support.
Installation is as simple as cloning the repository somewhere, or downloading and extracting the zip/tar and pointing your httpd document root to it. For simple testing you could just go to the folder and type `php artisan serve`
Someone was using the same nginx setup to both run this and reverse proxy Plex, Plex is served from /web so their location was interferring with the /webfonts.
Therefore, if your fonts aren't showing because you have a location for /web add the following
If there are any other locations which might interefere with any of the folders in the /public folder, you might have to do the same for those as well, but it's a super fringe case.