refactor: modulization

system/modules/bluetooth.nix

@@ -0,0 +1,25 @@
+{
+  services = {
+    blueman.enable = true;
+  };
+
+  hardware = {
+    bluetooth = {
+      enable = true;
+      powerOnBoot = true;
+      settings.General = {
+        experimental = true;
+        Privacy = "device";
+        JustWorksRepairing = "always";
+        Class = "0x000100";
+        FastConnectable = true;
+      };
+    };
+  };
+
+  boot = {
+    extraModprobeConfig = ''
+      options bluetooth disable_ertm=Y
+    '';
+  };
+}