Fix small issues: brightness scroll and formatting

Added ability to change display brightness by scrolling over polybar
module.

nvim/.config/nvim/spell/en.utf-8.add

@@ -85,3 +85,5 @@ temporality
 guerilla
 Tricontinental
 disposability
+Bourdieu's
+nomos

polybar/.config/polybar/config

@@ -328,6 +328,7 @@ ramp-2 = 
 ramp-3 = 
 ramp-4 = 
 format-underline = ${colors.primary}
+enable-scroll = true
 
 [module/battery]
 type = internal/battery