added zellij config file

config.kdl

@@ -0,0 +1,16 @@
+layout {
+    pane {
+        pane
+        pane split_direction="horizontal" {
+            pane
+            pane
+        }
+    }
+}
+
+keybinds {
+    unbind "Ctrl s"
+}
+
+theme "catppuccin-mocha"
+