docs: 更新 lighter-python-main 文档，添加示例代码和 API 说明，重构部分内容以提高可读性

docs/lighter/lighter-python-main/docs/Trade.md

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+# Trade
+
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**trade_id** | **int** |  | 
+**tx_hash** | **str** |  | 
+**type** | **str** |  | 
+**market_id** | **int** |  | 
+**size** | **str** |  | 
+**price** | **str** |  | 
+**usd_amount** | **str** |  | 
+**ask_id** | **int** |  | 
+**bid_id** | **int** |  | 
+**ask_account_id** | **int** |  | 
+**bid_account_id** | **int** |  | 
+**is_maker_ask** | **bool** |  | 
+**block_height** | **int** |  | 
+**timestamp** | **int** |  | 
+**taker_fee** | **int** |  | 
+**taker_position_size_before** | **str** |  | 
+**taker_entry_quote_before** | **str** |  | 
+**taker_initial_margin_fraction_before** | **int** |  | 
+**taker_position_sign_changed** | **bool** |  | 
+**maker_fee** | **int** |  | 
+**maker_position_size_before** | **str** |  | 
+**maker_entry_quote_before** | **str** |  | 
+**maker_initial_margin_fraction_before** | **int** |  | 
+**maker_position_sign_changed** | **bool** |  | 
+
+## Example
+
+```python
+from lighter.models.trade import Trade
+
+# TODO update the JSON string below
+json = "{}"
+# create an instance of Trade from a JSON string
+trade_instance = Trade.from_json(json)
+# print the JSON string representation of the object
+print(Trade.to_json())
+
+# convert the object into a dict
+trade_dict = trade_instance.to_dict()
+# create an instance of Trade from a dict
+trade_from_dict = Trade.from_dict(trade_dict)
+```
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+