Massive changes for archlinux move

- Add Xft Xresources to make fonts not ugly
- Add dunstrc now that I'm using dunst
- Manage GTK settings now that I'm free of mate-settings
- Add an i3 keybind for pcmanfm
- Make kitty font size chords +/- by 1pt and not 2pt
- Explicitly specify fonts everywhere
- Put barrier and dunst in xinitrc
- Make QT theme explicit via env var
- Move ZSH keybinds to global since Arch doesn't bind them

.Xresources

@@ -43,3 +43,11 @@
 *color15:      base07
 
 ! %%base16_template_end%%
+
+Xft.lcdfilter: lcddefault
+Xft.antialias: true
+Xft.autohint: 0
+Xft.hinting: true
+Xft.hintstyle: hintslight
+Xft.rgba: rgb
+Xft.dpi: 96