Update README.md

Author: OumKaba

README.md

@@ -1 +1,40 @@
-# Admin_Service
+# Fastify Structured App
+
+This is a structured Fastify application.
+
+## Folder Structure
+
+ ├── app  
+ │ ├── handlers  
+ │ ├── middlewares  
+ │ ├── models  
+ │ ├── routers  
+ │ ├── services  
+ │ ├── main.js  
+ ├── node_modules  
+ ├── .env  
+ ├── .gitignore  
+ ├── docker-compose.yml  
+ ├── Dockerfile  
+ ├── .env.example  
+ ├── package.json  
+ └── readme.md  
+
+# Set up environment variables:
+Create a .env file in the root directory and copy the content from .env.example:
+
+cp .env.example .env
+
+# Running the App
+
+start.bat (or sh) to start services
+
+# Run Tests 
+Execute the test suite using Jest:
+```sh
+npm run test
+```
+
+# API Documentation
+Swagger documentation is available at 
+https://BASE_URL/docs.