docs: Standardize Tongyi (#25103)

- **Description:** Standardize Tongyi LLM，include:
  - docs, the issue #24803
  - model init arg names, the issue #20085

libs/community/tests/integration_tests/llms/test_tongyi.py

@@ -27,3 +27,10 @@ def test_tongyi_generate_stream() -> None:
     print(output)  # noqa: T201
     assert isinstance(output, LLMResult)
     assert isinstance(output.generations, list)
+
+
+def test_tongyi_with_param_alias() -> None:
+    """Test tongyi parameters alias"""
+    llm = Tongyi(model="qwen-max", api_key="your-api_key")  # type: ignore[call-arg]
+    assert llm.model_name == "qwen-max"
+    assert llm.dashscope_api_key == "your-api_key"