chore(builder): compatible with adk tool parsing (#232)

Author: BhAem

docs/content/3.agent/3.agent-builder.md

@@ -24,8 +24,7 @@ sub_agent_1:
   type: Agent
   name: weather_reporter
   tools:
-    - module: veadk.tools.demo_tools # tool 所在的模块
-      func: get_city_weather # tool 的函数名称
+    - name: veadk.tools.demo_tools.get_city_weather # tool 所在的模块及函数名称
 ```
 
 ```python [agent.py]

veadk/agent_builder.py

@@ -52,9 +52,8 @@ def _build(self, agent_config: dict) -> BaseAgent:
         tools = []
         if agent_config.get("tools", []):
             for tool in agent_config["tools"]:
-                module_name = tool["module"]
-                func_name = tool["func"]
-
+                name = tool["name"]
+                module_name, func_name = name.rsplit(".", 1)
                 module = importlib.import_module(module_name)
                 func = getattr(module, func_name)