allow di to use terminal tool, add tool log fn, expand truncate len

examples/di/use_github_repo.py

@@ -0,0 +1,18 @@
+import asyncio
+
+from metagpt.roles.di.data_interpreter import DataInterpreter
+
+USE_GOT_REPO_REQ = """
+This is a link to the GOT github repo: https://github.com/spcl/graph-of-thoughts.git.
+Clone it, read the README to understand the usage, install it, and finally run the quick start example.
+**Note the config for LLM is at `config/config_got.json`, use this path directly.** Don't write all codes in one response, each time, just write code for one step.
+"""
+
+
+async def main():
+    di = DataInterpreter(tools=["Terminal"])
+    await di.run(USE_GOT_REPO_REQ)
+
+
+if __name__ == "__main__":
+    asyncio.run(main())