feat: init

modules/common.nix

@@ -0,0 +1,31 @@
+{ config, pkgs, ... }:
+{
+  nix = {
+    settings = {
+      auto-optimise-store = true;
+      experimental-features = [ "nix-command" "flakes" ];
+      trusted-users = [ "root" "@wheel" ];
+    };
+    gc = {
+      automatic = true;
+      dates = "weekly";
+      options = "--delete-older-than 30d";
+    };
+  };
+
+  time.timeZone = "US/Pacific";
+  i18n.defaultLocale = "en_US.UTF-8";
+  services.timesyncd.enable = true;
+
+  environment.systemPackages = with pkgs; [
+    vim
+    git
+    htop
+    tmux
+    curl
+    wget
+    jq
+    dig
+    tcpdump
+  ];
+}