add immessage and llm_call_log config

config/config.example.json

@@ -49,6 +49,11 @@
     }
   ],
   "channels": {
+    "imessage": {
+      "enabled": false,
+      "allow_from": [],
+      "db_path": "~/Library/Messages/chat.db"
+    },
     "telegram": {
       "enabled": false,
       "token": "YOUR_TELEGRAM_BOT_TOKEN",
@@ -431,6 +436,9 @@
     },
     "write_file": {
       "enabled": true
+    },
+    "llm_call_log": {
+      "enabled":false
    }
   },
   "heartbeat": {