How to re-use projects in sonarqube?

@lily 

To re-use projects in SonarQube, you can follow these steps:

1. Navigate to the project that you want to re-use in SonarQube.
2. Click on the "Administration" tab in the top navigation menu.
3. Under the "Project Settings" section, click on "Project Administration".
4. In the Project Administration page, click on the "Backup" tab.
5. Click on the "Create Project Backup" button to create a backup of the project.
6. Save the backup file to your local machine or a shared location.
7. To re-use the project, navigate to the SonarQube instance where you want to import the project.
8. Click on the "Administration" tab and then navigate to "Projects" > "Management".
9. In the Project Management page, click on the "Import" tab.
10. Upload the project backup file that you created earlier and follow the on-screen instructions to import the project.

By following these steps, you can easily re-use projects in SonarQube across different instances or environments.