php:8.0 et php:8.0-cli added

.gitignore

boilerplate/demo/docker-compose.yml

boilerplate/demo/html/index.html

boilerplate/demo/src/composer.json

boilerplate/demo/src/composer.lock

boilerplate/demo/src/sample.php

boilerplate/demo/web/index-cli.php

boilerplate/demo/web/index.html

boilerplate/demo/web/index.php

boilerplate/demo/web/info.php

boilerplate/demo/web/mail.php

boilerplate/demo/web/mongo.php

boilerplate/demo/web/mysql.php

boilerplate/sample.docker-compose.yml

boilerplate/test/src/composer.lock

boilerplate/test/src/vendor/autoload.php

boilerplate/test/src/vendor/composer/ClassLoader.php

boilerplate/test/src/vendor/composer/LICENSE

boilerplate/test/src/vendor/composer/autoload_classmap.php

boilerplate/test/src/vendor/composer/autoload_files.php