readme: Replace `rofi-wayland` with `rofi` in dependencies

readme: Remove tip jar section

github-linguist: Ignore generated GTK themes

ncmpcpp: Replace `visualizer_fifo_path` with `visualizer_data_source` configuration option

(WIP): Update Neovim config

bin: Add aphelion aesthetics script

awesome: Automatically determine whether systemctl or loginctl should be used in exit_screen

sway: Add missing sway-scratchpad script

sway: Change tilde to $HOME in global variables

readme: Add `swaybg` to the dependency table

power: Automatically determine whether systemctl or loginctl should be used

eww: Fix dismiss overlay not spawning below widgets after SwayFX 1.10 rebase

sway: Fix comments

sway: Disable titlebar for zenity windows

eww: Use scroll widgets to ensure media title and artist do not overflow