feat(hass): add get_attributes voice command

devices/homie/modules/home-assistant/docs/functions.nix

@@ -3,6 +3,30 @@ let
   inherit (import ../../../../../lib {}) lib;
   inherit (lib) concatStrings concatStringsSep splitString;
 in [
+  {
+    spec = {
+      name = "get_attributes";
+      description = "Get attributes of any home assistant entity";
+      parameters = {
+        type = "object";
+
+        properties = {
+          entity_id = {
+            type = "string";
+            description = "entity_id";
+          };
+        };
+
+        required = ["entity_id"];
+      };
+    };
+
+    function = {
+      type = "template";
+      value_template = "{{ states[entity_id] }}";
+    };
+  }
+
   {
     spec = {
       name = "timer_start";