Align font nerd icons and emoji

[hesseltuinhof]

Fonts installed using Archmagic: https://github.com/hesseltuinhof/archmagic/blob/832112033abf67a558d39104dd4ea1f367eaefc1/01-sway.sh#L7

However, Arch has been adding Nerd fonts for individual fonts. Let's try to streamline how to get everything running nicely in Nvim.

This seems to be relevant blog entry:

• https://blog.sebastian-daschner.com/entries/linux-terminal-font-alacritty-jetbrains-mono-emoji