Add support for 'alarm_*' services

futurehome/src/mqtt/demo_data/device.json

@@ -2054,7 +2054,7 @@
       "alarm_gas": {
         "addr": "/rt:dev/rn:zw/ad:1/sv:alarm_gas/ad:86_0",
         "enabled": true,
-        "intf": ["cmd.alarm.get_report", "evt.alarm.report"],
+        "intf": ["cmd.alarm.get_report", "evt.alarm.report", "cmd.alarm.clear"],
         "props": {
           "is_secure": true,
           "is_unsecure": false,

futurehome/src/mqtt/demo_data/state.json

@@ -1303,8 +1303,7 @@
                 "val": {
                   "album": "The Dark Side of the Moon",
                   "track": "Money",
-                  "artist": "Pink Floyd",
-                  "image_url": "https://upload.wikimedia.org/wikipedia/en/3/3b/Dark_Side_of_the_Moon.png"
+                  "artist": "Pink Floyd"
                 },
                 "val_t": "str_map"
               }