Customizing Team-Mail web logo

An administrator can easily display a custom logo in Team-Mail web by mounting his own logos onto the docker image.

File locations:

/usr/share/nginx/html/favicon.png Favicon of the application. 16 pixel x 16 pixel.
/usr/share/nginx/html/icons/Icon-192.png Main icon. 192 pixel x 192 pixel.
/usr/share/nginx/html/icons/Icon-512.png Main icon. 512 pixel x 512 pixel.
/usr/share/nginx/html/icons/Icon-maskable-192.png Main icon. 192 pixel x 192 pixel.
/usr/share/nginx/html/icons/Icon-maskable-512.png Main icon. 512 pixel x 512 pixel.
/usr/share/nginx/html/assets/assets/icons/icon_launcher.png Main icon. 1024 pixel x 1024 pixel.
/usr/share/nginx/html/assets/assets/icons/icon_logo.png Logo icon. 504 pixel x 352 pixel.