pinwheel: Add tlp module

hosts/pinwheel/modules/tlp/default.nix

@@ -0,0 +1,24 @@
+{ lib, config, ... }:
+let
+  enabled = config.mod.tlp.enable;
+in
+{
+  options = {
+    mod.tlp = {
+      enable = lib.mkEnableOption "enable tlp module";
+    };
+  };
+
+  config = lib.mkIf enabled {
+    services = {
+      tlp = {
+        enable = true;
+
+        settings = {
+          START_CHARGE_THRESH_BAT0=75;
+          STOP_CHARGE_THRESH_BAT0=80;
+        };
+      };
+    };
+  };
+}