Update to (somewhat?) dendritic pattern

Heavily inspired by https://github.com/Doc-Steve/dendritic-design-with-flake-parts.

> Atomic commits? Never heard of them!

modules/hosts/keith/users/weckyy702/filesystems.nix

@@ -0,0 +1,6 @@
+{
+  flake.modules.nixos.keith.fileSystems."/home/weckyy702/Documents" = {
+    device = "/dev/disk/by-uuid/2d6f2255-eca4-489b-9f0f-6c455cd394fc";
+    fsType = "ext4";
+  };
+}

modules/hosts/keith/users/weckyy702/mount-nas.nix

@@ -0,0 +1,16 @@
+{ inputs, ... }: {
+  flake.modules.nixos.keith = { config, ... }: {
+    age.secrets."nas-creds".file = "${inputs.secrets}/nas-creds.age";
+
+    imports = with inputs.self.factory; [
+      (mount-cifs {
+        host = "duke.veltnet";
+        resource = "home";
+        destination = "/home/weckyy702/duke";
+        credentials_path = "${config.age.secrets.nas-creds.path}";
+        UID = "weckyy702";
+        GID = "users";
+      })
+    ];
+  };
+}

modules/hosts/keith/users/weckyy702/weckyy702.nix

@@ -0,0 +1,25 @@
+{ inputs, ... }: {
+  flake.modules.nixos.keith = { config, ... }: {
+    imports = with inputs.self.modules.nixos; [
+      weckyy702
+      steam
+    ];
+
+    home-manager.users.weckyy702 = { config, ... }: {
+      imports = with inputs.self.modules.homeManager;
+        with inputs.self.factory; [
+          (hyprpaper {
+            wallpaper_path = "${inputs.assets}/horizontal_16x9.png";
+            monitor_names = [
+              "DP-1"
+              "HDMI-A-1"
+            ];
+          })
+          vesktop
+          spicetify
+          borgmatic
+          qbittorrent
+        ];
+    };
+  };
+}