File system layout

.coveralls.yml             # Code coverage configuration file
.gitignore                 # Git ignore file
.scrutinizer.yml           # Scrutinizer configuration file
.travis.yml                # Travis build configuration  file
README.md                  # Current Readme file
composer.json              # Composer configuration file
core.phpunit.xml           # PHPUnit configuration file
docs/
    index.md               # The documentation homepage.
    ...                    # Other markdown pages, images and other files
example.settings.local.php # Example settings to connect to MongoDB
mkdocs.yml                 # The Mkdocs configuration file
modules/                   #
    mongodb                # Driver
    mongodb_storage        # Key-value and Queue
    mongodb_watchdog       # Logger
phpcs.xml                  # The PHPCodeSniffer configuration file