Update Apron_Network.md

Add functions list

applications/Apron_Network.md

@@ -160,9 +160,9 @@ The following components will be included:
 | 0b. | Documentation | The documentation will be provided to show the whole achitecture of the Apron Network. |
 | 0c. | Testing Guide | The testing guide will be provided to test each component. |
 | 1. | Apron Node Repo | We will create a customized chain node with Substrate 2.0 Framework, it will contains the OCW module to report API usage statistics on-chain. |
-| 2. | Apron Market Contracts Repo | The contracts will be implemented with Ink!, and it will handle all the API services related functions. |
+| 2. | Apron Market Contracts Repo | The contracts will be implemented with Ink!, and it will handle all the API services related functions such as 1) Staking tokens to register API service for node runner, 2) Register and unregister API service for node runner, 3) Define the price of API service for node runner, 4) Apply API service access key for node runner and DApp developers, 5) Billing System of the API usage for node runner and DApp developers, 6)Interface to integrate with a DAO to solve dispute between node runner and DApp developer|
 | 3. | Decentralized API Market / Front End Repo | It's a webpage working with Arpon Network, it's implemented based on polkadot.js as planned. |
-| 4. | Apron SDK Repo                            | It's a JS lib to interact with Apron Network. |
+| 4. | Apron SDK Repo                            | It's a JS lib to interact with Apron Network for DApp developers to dynamic switch API service endpoint. |
 | 5. | Docker | We will provide a dockerfile to demonstrate the full functionality of our chain |
 | 6. | Tutorial | We will write an tutorial about how to use Apron Network. |
 | 7. | Article | We will write an article published on media channels. |