Add LG SmartThinQ, and standardize module

Stop overriding the home-assistant package directly, myself, and instead
move to using the standard ways of specifying extra options that the
module exposes to us.

hosts/genesis/home-assistant.nix

@@ -9,7 +9,6 @@ in
 	services.home-assistant = {
 		enable = true;
 		configDir = "/var/lib/hass";
-		package = (pkgs.home-assistant.override {
 		extraComponents = [
 			"accuweather"
 			"calendar"
@@ -25,15 +24,14 @@ in
 			"smart_meter_texas"
 			"speedtestdotnet"
 			"solaredge"
-				"tplink"
 			"whisper"
 			"wiz"
 			"wyoming"
 			"zwave_js"
 		];
-		}).overrideAttrs (oldAttrs: {
+		customComponents = with pkgs.home-assistant-custom-components; [
-			doInstallCheck = false;
+			smartthinq-sensors
-		});
+		];
 
 		config = {
 			default_config = {};