feat: add plugin_trigger_prefix option

plugins/godcmd/godcmd.py

@@ -312,6 +312,9 @@ class Godcmd(Plugin):
                 else:
                     ok, result = False, "需要管理员权限才能执行该指令"
             else:
+                trigger_prefix = conf().get('plugin_trigger_prefix',"$")
+                if trigger_prefix == "#": # 跟插件聊天指令前缀相同，继续递交
+                    return
                 ok, result = False, f"未知指令：{cmd}\n查看指令列表请输入#help \n"
             
             reply = Reply()