refactor: moved darwin, home-manager, and system configurations to dendrite pattern

modules/darwin/default.nix

@@ -0,0 +1,10 @@
+{config, ...}: let
+  mod = config.flake.darwinModules;
+in {
+  flake.darwinModules.darwin-modules-all = {
+    imports = [
+      mod.darwin-system
+      mod.darwin-users
+    ];
+  };
+}

modules/darwin/system.nix

@@ -0,0 +1,29 @@
+{...}: {
+  flake.darwinModules.darwin-system = {self, ...}: {
+    system.configurationRevision = self.rev or self.dirtyRev or null;
+
+    nix = {
+      gc = {
+        automatic = true;
+        interval = [
+          {
+            Hour = 4;
+            Minute = 15;
+            Weekday = 7;
+          }
+        ];
+        options = "--delete-older-than 7d";
+      };
+      optimise = {
+        automatic = true;
+        interval = [
+          {
+            Hour = 4;
+            Minute = 15;
+            Weekday = 7;
+          }
+        ];
+      };
+    };
+  };
+}

modules/darwin/users.nix

@@ -0,0 +1,18 @@
+{...}: {
+  flake.darwinModules.darwin-users = {
+    lib,
+    config,
+    ...
+  }: let
+    host = config.host;
+  in {
+    users = {
+      users = {
+        leyla = {
+          name = lib.mkForce host.users.leyla.name;
+          home = lib.mkForce "/home/${host.users.leyla.name}";
+        };
+      };
+    };
+  };
+}