Add zellij configuration

Signed-off-by: George Kaklamanos <gkaklas@gkaklas.gr>

home-manager/homeFiles.nix

@@ -4,6 +4,8 @@
   lib,
   ...
 }: {
+  imports = [./zellij.nix];
+
   home.file.".config/ripgrep/ignore".text = ''
     -.
   '';

home-manager/zellij.nix

@@ -0,0 +1,53 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
+  home.file.".config/zellij/config.kdl".text = ''
+    default_layout "main"
+    session_serialization false
+    keybinds {
+      unbind "Ctrl p"
+      unbind "Ctrl o"
+      normal {
+        bind "Ctrl w" { SwitchToMode "pane"; }
+        bind "Ctrl '" { SwitchToMode "session"; }
+      }
+    }
+  '';
+
+  home.file.".config/zellij/layouts/main.kdl".text = ''
+    layout {
+      default_tab_template {
+        pane size=1 borderless=true{
+          plugin location="zellij:tab-bar"
+        }
+        pane split_direction="vertical"{
+          children
+        }
+        pane size=1 borderless=true{
+          plugin location="zellij:status-bar"
+        }
+      }
+      tab name="main" focus=true{
+        pane split_direction="vertical" {
+          pane focus=true
+          pane {
+            pane command="htop"
+            pane command="watch" {
+    	  args "df" "-h"
+    	}
+            pane
+          }
+        }
+      }
+      tab name="HM" cwd="~/nix" {
+        pane split_direction="vertical" {
+          pane
+          pane
+        }
+      }
+    }
+  '';
+}