add (unused) urxvt

it seemed to run at like a super low framerate so paging through
things felt pretty awful

users/rin/home.nix

@@ -32,6 +32,7 @@
     ./neovim.nix
     ./npm.nix
     ./rofi.nix
+    # ./urxvt.nix
     ./zsh.nix
 
     ./dunst.nix

users/rin/picom.nix

@@ -5,7 +5,7 @@
 
     blur = true;
     blurExclude = [
-      "class_g != 'Alacritty' && class_g != 'Polybar'"
+      "class_g != 'Alacritty' && class_g != 'Polybar' && class_g != 'URxvt'"
     ];
     fade = true;
     fadeDelta = 5;

users/rin/urxvt.nix

@@ -0,0 +1,23 @@
+{ config, ... }: {
+  programs.urxvt = {
+    enable = true;
+    fonts = [ "xft:Cascadia Code:size=12.4" ];
+    scroll.bar.enable = false;
+    extraConfig = {
+      background = "[65]#000000";
+      depth = 32;
+
+      cursorBlink = true;
+      letterSpace = 0;
+      lineSpace = 0;
+      saveline = 4096;
+      urlLauncher = "firefox";
+      underlineURLs = true;
+      urlButton = 1;
+
+      perl-ext = "";
+      perl-ext-common = "";
+    };
+  };
+}
+