Add zellij

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

hosts/common/configs/user/console/btop/default.nix

@@ -1,17 +1,34 @@
 { user, home }:
-{ ... }:
+{ lib, pkgs, ... }:
 {
-  home-manager.users.${user}.programs.btop = {
-    enable = true;
-    settings = {
-      theme_background = false;
-      presets = "";
-      vim_keys = true;
-      shown_boxes = "cpu mem net proc gpu0 gpu1";
-      update_ms = 1000;
-      proc_tree = true;
-      cpu_single_graph = true;
-      disks_filter = "/ /nix /persist";
+  home-manager.users.${user} = {
+    programs.btop = {
+      enable = true;
+      settings = {
+        color_theme = "matugen";
+        theme_background = false;
+        presets = "";
+        vim_keys = true;
+        shown_boxes = "cpu mem net proc gpu0 gpu1";
+        update_ms = 1000;
+        proc_tree = true;
+        cpu_single_graph = true;
+        disks_filter = "/ /nix /persist";
+      };
+    };
+
+    theme = {
+      template.".config/btop/themes/matugen.theme".source = ./theme.theme;
+
+      reloadExtraConfig = "${
+        lib.meta.getExe (
+          pkgs.writeShellApplication {
+            name = "reload-btop";
+            runtimeInputs = with pkgs; [ procps ];
+            text = "exec pkill btop -SIGUSR2";
+          }
+        )
+      } &";
     };
   };
 }