refactor: cleaned up nixos and home dirs

modules/nixos/services/syncthing/default.nix

@@ -0,0 +1,64 @@
+{ flake, ... }:
+let
+  inherit (flake.config.machines.devices)
+    synology
+    phone
+    tablet
+    ;
+  inherit (flake.config.services.instances)
+    syncthing
+    web
+    ;
+  service = syncthing;
+  localhost = web.localhost.address0;
+in
+{
+  services = {
+    syncthing = {
+      enable = true;
+      overrideDevices = false;
+      overrideFolders = false;
+      openDefaultPorts = true;
+      systemService = true;
+      guiAddress = "${localhost}:${toString service.ports.port0}";
+      settings = {
+        devices = {
+          ${synology.name} = {
+            autoAcceptFolders = true;
+            name = synology.name;
+            addresses = [
+              "tcp://${synology.ip.address0}:${toString service.ports.port2}"
+            ];
+            id = synology.sync.address0;
+          };
+          ${phone.name} = {
+            autoAcceptFolders = true;
+            name = phone.name;
+            addresses = [
+              "tcp://${phone.ip.address0}:${toString service.ports.port2}"
+            ];
+            id = phone.sync.address0;
+          };
+          ${tablet.name} = {
+            autoAcceptFolders = true;
+            name = tablet.name;
+            addresses = [
+              "tcp://${tablet.ip.address0}:${toString service.ports.port2}"
+            ];
+            id = tablet.sync.address0;
+          };
+        };
+      };
+    };
+  };
+
+  networking = {
+    firewall = {
+      allowedTCPPorts = [
+        service.ports.port0
+        service.ports.port1
+        service.ports.port2
+      ];
+    };
+  };
+}