added i3 and fixed deps errors when rebuilding

modules/i3/i3.nix

@@ -0,0 +1,26 @@
+{
+  config,
+  lib,
+  pkgs,
+  inputs,
+  ...
+}:
+{
+  services.displayManager.defaultSession = "hyprland";
+  services.xserver = {
+    enable = true;
+
+    desktopManager = {
+      xterm.enable = false;
+    };
+
+    windowManager.i3 = {
+      enable = true;
+      extraPackages = with pkgs; [
+        dmenu # application launcher most people use
+        i3status # gives you the default i3 status bar
+        xorg.xinit
+      ];
+    };
+  };
+}