Update readme to reflect project template

Author: SebastienDechand

readme.md

@@ -1,43 +1,3 @@
-# 📌 Backend – Spring Boot 3.4 / Java 21
-
-This repository contains the Spring Boot backend of the **À l’Asso !** platform.  
-It exposes a REST API for user management (volunteers, associations, administrators), activities, registrations, messaging, and reporting.  
-
-## Installation
-```bash
-./mvnw install
-```
-
-## Start
-### Development profile
-```bash
-./mvnw spring-boot:run -Pdevelopment
-```
-
-## Tests
-### Unit tests
-```bash
-mvn test -Punit-tests
-```
-### Integration tests
-```bash
-mvn test -Pintegration-tests
-```
-### End-to-end tests
-```bash
-mvn test -Pe2e-tests
-```
-
-## API Documentation
-Swagger is available locally at: http://localhost:8080/swagger-ui/index.html#/
-
-## Docker
-### Development
-```bash
-docker build -t alasso-backend .
-docker run -p 8080:8080 alasso-backend
-```
-
 # Backend project template
 
 This repository is a SpringBoot project template shipped with a base configuration in order to have a clean base to work with, for you and your teammates.