feat(systems/optional): add battery default settings for laptops

systems/common/optional/power/battery_defaults.nix

@@ -0,0 +1,27 @@
+{
+
+  systemd.sleep.extraConfig = ''
+    HibernateDelaySec=1h
+  '';
+  powerManagement.enable = true;
+  services.tlp = {
+      enable = true;
+      settings = {
+        CPU_SCALING_GOVERNOR_ON_AC = "performance";
+        CPU_SCALING_GOVERNOR_ON_BAT = "powersave";
+
+        CPU_ENERGY_PERF_POLICY_ON_BAT = "power";
+        CPU_ENERGY_PERF_POLICY_ON_AC = "performance";
+
+        CPU_MIN_PERF_ON_AC = 0;
+        CPU_MAX_PERF_ON_AC = 100;
+        CPU_MIN_PERF_ON_BAT = 0;
+        CPU_MAX_PERF_ON_BAT = 20;
+
+       #Optional helps save long term battery health
+       START_CHARGE_THRESH_BAT0 = 40; # 40 and bellow it starts to charge
+       STOP_CHARGE_THRESH_BAT0 = 80; # 80 and above it stops charging
+
+      };
+  };
+}

systems/common/optional/power/default.nix

@@ -0,0 +1,4 @@
+{ configLib, ... }:
+{
+  imports = (configLib.scanPaths ./.);
+}