README.md 수정

@@ -55,6 +55,7 @@
 * [About the Project](#about-the-project)
   * [Built With](#built-with)
 * [Getting Started](#getting-started)
+  * [Prerequisites](#prerequisites)
 * [Usage](#usage)
 * [Roadmap](#roadmap)
 * [Contributing](#contributing)
@@ -96,6 +97,15 @@ A list of commonly used resources that I find helpful are listed in the acknowle
 2. 정보제공동의<br/>
  ChatBot에게 대화를 걸어, 정보 제공 동의를 진행합니다.<br/>
 
+### Prerequisites
+
+Server를 실행시키기 전에, 먼저 해야할 것들입니다.
+* npm
+```sh
+npm install request
+npm install express
+npm install async
+```
 
 <!-- USAGE EXAMPLES -->
 ## Usage