refactor: cleaned up nixos dir

nixos/modules/services/samba/default.nix

@@ -0,0 +1,37 @@
+{
+  pkgs,
+  flake,
+  ...
+}:
+let
+  inherit (flake.config.services.instances)
+    samba
+    jellyfin
+    ;
+  service = samba;
+in
+{
+  # If you ever need to start fresh, you need to add yourself to the Samba users database:
+  # sudo smbpasswd -a username
+  services = {
+    samba = {
+      package = pkgs.samba4Full;
+      enable = true;
+      openFirewall = true;
+      settings = {
+        ${service.paths.path1} = {
+          path = jellyfin.paths.path0;
+          writable = "true";
+        };
+      };
+    };
+  };
+
+  networking = {
+    firewall = {
+      allowedTCPPorts = [
+        service.ports.port0
+      ];
+    };
+  };
+}