refactor: restructure config files

modules/capabilities/fonts.nix

@@ -0,0 +1,26 @@
+{
+  flake.modules.nixos.fonts =
+    { pkgs, ... }:
+    {
+      fonts = {
+        enableDefaultPackages = false;
+        packages = with pkgs; [
+          noto-fonts
+          noto-fonts-cjk-sans
+          noto-fonts-color-emoji
+          iosevka
+          jetbrains-mono
+          fira-code
+          roboto
+          fira
+          merriweather
+          ibm-plex
+          lexend
+          literata
+          montserrat
+          source-sans-pro
+          source-serif-pro
+        ];
+      };
+    };
+}