fix: kmscon - show neo-tree icons

fix: darwin fonts

chore: fonts - add Sarasa Gothic

modules/darwin/fonts.nix

@@ -0,0 +1,24 @@
+{pkgs, ...}: {
+  # Fonts
+  fonts = {
+    packages = with pkgs; [
+      # icon fonts
+      material-design-icons
+      font-awesome
+
+      source-sans # 无衬线字体，不含汉字。
+      source-serif # 衬线字体，不含汉字。
+      source-han-sans # 思源黑体
+      source-han-serif # 思源宋体
+
+      # nerdfonts
+      # https://github.com/NixOS/nixpkgs/blob/nixos-unstable-small/pkgs/data/fonts/nerd-fonts/manifests/fonts.json
+      nerd-fonts.symbols-only # symbols icon only
+      nerd-fonts.fira-code
+      nerd-fonts.jetbrains-mono
+      nerd-fonts.iosevka
+
+      julia-mono
+    ];
+  };
+}