feat: the font revolution

configs/fonts.nix

@@ -1,22 +1,34 @@
 { pkgs, ... }:
 {
-  niveum.fonts = {
-    ui = {
-      name = "Sans";
-      size = 9;
-    };
-    terminal = {
-      name = "Monospace";
-      size = 9;
-    };
-  };
+  niveum.fonts.size = 9;
 
   fonts = {
     enableDefaultFonts = true;
     enableFontDir = true;
-    fonts = with pkgs; [ inconsolata corefonts eb-garamond fira libertine lmodern noto-fonts roboto roboto-mono roboto-slab ubuntu_font_family ];
+    fonts = with pkgs; [
+      corefonts
+      eb-garamond
+      fira
+      font-awesome-ttf
+      ibm-plex
+      inconsolata
+      iosevka
+      libertine
+      lmodern
+      noto-fonts
+      roboto
+      roboto-mono
+      roboto-slab
+      source-code-pro
+      source-serif-pro
+      ubuntu_font_family
+    ];
     fontconfig = {
-      defaultFonts.monospace = [ "Inconsolata" ];
+      defaultFonts = {
+        monospace = [ "Source Code Pro" ];
+        serif = [ "Source Serif Pro" ];
+        sansSerif = [ "IBM Plex" ];
+      };
       ultimate = {
         enable = true;
         substitutions = "combi";