Add initial config

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

users/nick/configs/zsh.nix

@@ -0,0 +1,15 @@
+{
+  programs.zsh = {
+    enable = true;
+    autocd = true;
+    history.expireDuplicatesFirst = true;
+    historySubstringSearch.enable = true;
+    autosuggestion.enable = true;
+    syntaxHighlighting.enable = true;
+    loginExtra = ''
+      if [ -z "''${WAYLAND_DISPLAY}" ] && [ ! -z "''${XDG_VTNR}" ] && [ "''${XDG_VTNR}" -eq 1 ]; then
+        hyprland &> /tmp/hyprland.log
+      fi
+    '';
+  };
+}