feat(config)!: Config now returns the mqtt config instead of the client

Instead the client is now created on the rust side based on the config.
Devices that require the mqtt client will now instead need to be
constructor using a function. This function receives the mqtt client.

config.lua

@@ -1,5 +1,4 @@
 local devices = require("automation:devices")
-local device_manager = require("automation:device_manager")
 local utils = require("automation:utils")
 local secrets = require("automation:secrets")
 local debug = require("automation:variables").debug and true or false
@@ -734,22 +733,22 @@ local function create_devs(mqtt_client)
 	return devs
 end
 
--- TODO: Pass the mqtt config to the output config, instead of constructing the client here
-local mqtt_client = require("automation:mqtt").new(device_manager, {
+--- @type MqttConfig
+local mqtt_config = {
 	host = ((host == "zeus" or host == "hephaestus") and "olympus.lan.huizinga.dev") or "mosquitto",
 	port = 8883,
 	client_name = "automation-" .. host,
 	username = "mqtt",
 	password = secrets.mqtt_password,
 	tls = host == "zeus" or host == "hephaestus",
-})
+}
 
 ---@type Config
 return {
 	fulfillment = {
 		openid_url = "https://login.huizinga.dev/api/oidc",
 	},
-	mqtt = mqtt_client,
+	mqtt = mqtt_config,
 	devices = {
 		create_devs,
 		ntfy,