Add all of iogamaster modules

modules/nixos/system/fonts/default.nix

@@ -0,0 +1,35 @@
+{
+  options,
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+with lib;
+with lib.frajul; let
+  cfg = config.system.fonts;
+in {
+  options.system.fonts = with types; {
+    enable = mkBoolOpt false "Whether or not to manage fonts.";
+    fonts = mkOpt (listOf package) [] "Custom font packages to install.";
+  };
+
+  config = mkIf cfg.enable {
+    environment.variables = {
+      # Enable icons in tooling since we have nerdfonts.
+      LOG_ICONS = "true";
+    };
+
+    environment.systemPackages = with pkgs; [font-manager];
+
+    fonts.packages = with pkgs;
+      [
+        noto-fonts
+        noto-fonts-cjk-sans
+        noto-fonts-cjk-serif
+        noto-fonts-emoji
+        (nerdfonts.override {fonts = ["JetBrainsMono"];})
+      ]
+      ++ cfg.fonts;
+  };
+}