reformat code

Author: windatang

docs/SUMMARY.md

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+# Summary
+
+### Overview
+
+- [Introduction](README.md)
+- [Changelog](ChangeLog.md)
+
+### SDKs demo
+
+- [JS SDK](./js_sdk/INTRO.md)
+
+  - [Overview](./js_sdk/INTRO.md#install)
+  - [Unit Test](./js_sdk/unit_test.md)
+  - [AmmPool](./js_sdk/ammpool_api.md)
+  - [NFT(Contract)](./js_sdk/nft_api.md)
+  - [Contract](./js_sdk/contract_api.md)
+  - [Exchange](./js_sdk/exchange_api.md)
+  - [User](./js_sdk/user_api.md)
+  - [Whitelisted User](./js_sdk/whitelisted_user_api.md)
+  - [Wallet](./js_sdk/wallet_api.md)
+  - [WS REST](./js_sdk/ws_api.md)
+  - [Websocket](./js_sdk/websocket_api.md)
+
+### more detail
+- class
+  - [AmmpoolAPI](./detail/classes/AmmpoolAPI.md)
+  - [ExchangeAPI](./detail/classes/ExchangeAPI.md)
+  - [NFTAPI](./detail/classes/NFTAPI.md)
+  - [UserAPI](./detail/classes/UserAPI.md)
+  - [WalletAPI](./detail/classes/WalletAPI.md)
+  - [WhitelistedUserAPI](./detail/classes/WhitelistedUserAPI.md)
+  - [WsAPI](./detail/classes/WsAPI.md)
+
+- [Read More](./detail/modules.md)
+
+
+
+### Links
+- [Python](https://github.com/Loopring/hello_loopring)
+- [APIs](https://docs.loopring.io/en/)
+- [About us](https://loopring.org/#/)
+- [Submit a Request](https://loopring.io/#/newticket)