installMySQL.sh

- Script to preconfigure APT : initInstall.sh
- Script to install MySql : installMySQL.sh
- Script to install Nextcloud : installNextcloud.sh
    - Download nextcloud from repository by default V11
    - Set nextcloud database and nextcloud user
    - Install Nextcloud
    - configure apache2 to enable nextcloud and activate ssl
- Script to install dolibarr

TODO :
        - installNexcloud :
                - apache2 and SSL
        - install Dolibarr
                - fstab error