Major config overhaul: use custom modules, setup for multi-host config, and less boilerplate

modules/system/users/default.nix

@@ -0,0 +1,41 @@
+{ config, lib, inputs, ... }:
+let
+  userInfo = import inputs.secrets.userInfo;
+in {
+  options = {
+    systemSettings = {
+      users = lib.mkOption {
+        description = "List of desktop users to create on the system";
+        type = lib.types.listOf lib.types.str;
+      };
+      adminUsers = lib.mkOption {
+        description = "List of desktop users to grant admin (sudo) access on the system";
+        type = lib.types.listOf lib.types.str;
+      };
+    };
+  };
+  config = {
+
+    users.users = builtins.listToAttrs
+      (map (user: {
+        name = user;
+        value = {
+          description = userInfo.${user}.name;
+          isNormalUser = true;
+          extraGroups = [ "networkmanager" "input" "dialout" "video" "render" ] ++ (lib.optionals (lib.any (x: x == user) config.systemSettings.adminUsers) [ "wheel" ]);
+          createHome = true;
+        };
+      }) config.systemSettings.users);
+
+    home-manager.users = builtins.listToAttrs
+      (map (user: {
+        name = user;
+        value = {
+          home.username = user;
+          home.homeDirectory = "/home/"+user;
+          userSettings.name = lib.mkIf (userInfo.${user} ? name) userInfo.${user}.name;
+          userSettings.email = lib.mkIf (userInfo.${user} ? email ) userInfo.${user}.email;
+        };
+      }) config.systemSettings.users);
+  };
+}