feat: add home assistant configuration

hosts/zackbiene/home-assistant.nix

@@ -0,0 +1,46 @@
+{
+  services.home-assistant = {
+    enable = true;
+    extraComponents = [
+      "default_config"
+      "radio_browser"
+      "met"
+      "esphome"
+      "fritzbox"
+      "spotify"
+      "mqtt"
+    ];
+    openFirewall = true;
+    config = {
+      default_config = {};
+      met = {};
+    };
+    extraPackages = python3Packages:
+      with python3Packages; [
+        psycopg2
+        securetar
+        libsoundtouch
+      ];
+  };
+  services.mosquitto = {
+    enable = true;
+    persistence = true;
+    listeners = [
+      {
+        acl = ["pattern readwrite #"];
+        omitPasswordAuth = true;
+        settings.allow_anonymous = true;
+      }
+    ];
+  };
+  services.zigbee2mqtt = {
+    enable = true;
+    settings = {
+      homeassistant = true;
+      permit_join = true;
+      serial = {
+        port = "/dev/serial/by-id/usb-Silicon_Labs_Sonoff_Zigbee_3.0_USB_Dongle_Plus_0001-if00-port0";
+      };
+    };
+  };
+}