add fonts module and use that instead

home/common/desktop/font.nix

@@ -1,8 +1,13 @@
 { imports, config, pkgs, ... }: {
-  home.packages = with pkgs; [
-    noto-fonts
-    noto-fonts-emoji
-  ];
-
-  fonts.fontconfig.enable = true;
+  fontProfiles = {
+    enable = true;
+    monospace = {
+      family = "JetBrains Mono Nerd Font";
+      package = pkgs.nerdfonts.override { fonts = ["JetBrainsMono"]; };
+    };
+    regular = {
+      family = "Fira Sans";
+      package = pkgs.fira;
+    };
+  };
 }