feat: add theme

shamelessly stolen from github:jnsgruk/nixos-config

Signed-off-by: Lander Van den Bulcke <landervandenbulcke@gmail.com>

home/lander/common/alacritty.nix

@@ -1,4 +1,7 @@
-{ pkgs, self, ... }:
+{ pkgs, ... }:
+let
+  theme = import ../../../lib/theme { inherit pkgs; };
+in
 {
   programs.alacritty = {
     enable = true;
@@ -17,6 +20,11 @@
 
       live_config_reload = true;
       scrolling.history = 100000;
+
+      font = {
+        normal.family = "${theme.fonts.monospace.name}";
+        size = 14;
+      };
     };
   };
 }