Update README.md

Author: Rose4tune

README.md

@@ -29,6 +29,26 @@
 
 ![image](https://github.com/imaginer-dev/DateLeaf/assets/81802112/3cd4ee87-e28a-49d1-81ba-cef8bd8c46b7)
 
+## HOW TO USE
+### Development
+Date Leaf를 사용하여 개발하기 위해서는 Node.js가 필요합니다.
+* run:
+  ```
+  pnpm install
+  pnpm run dev
+  ```
+* to run the tests:
+  ```
+  pnpm run test
+  ```
+
+* to run the tests in the UI storybook:
+  ```
+  pnpm run storybook
+  ```
+### Contributions
+
+
 ## OUR CHALLENGE
 
 ## WHO WE ARE