Add all of iogamaster modules

modules/nixos/system/battery/default.nix

@@ -0,0 +1,41 @@
+{
+  options,
+  config,
+  lib,
+  ...
+}:
+with lib;
+with lib.frajul;
+let
+  cfg = config.modules.system.battery;
+in
+{
+  options.modules.system.battery = with types; {
+    enable = mkBoolOpt false "Whether or not to enable battery optimizations and utils.";
+  };
+
+  config = mkIf cfg.enable {
+    # Better scheduling for CPU cycles - thanks System76!!!
+    services.system76-scheduler.settings.cfsProfiles.enable = true;
+
+    # Enable TLP (better than gnomes internal power manager)
+    services.tlp = {
+      enable = true;
+      settings = {
+        CPU_BOOST_ON_AC = 0;
+        CPU_BOOST_ON_BAT = 0;
+        CPU_SCALING_GOVERNOR_ON_AC = "powersave";
+        CPU_SCALING_GOVERNOR_ON_BAT = "powersave";
+      };
+    };
+
+    # Disable GNOMEs power management
+    services.power-profiles-daemon.enable = false;
+
+    # Enable powertop
+    powerManagement.powertop.enable = true;
+
+    # Enable thermald (only necessary if on Intel CPUs)
+    services.thermald.enable = true;
+  };
+}