feat: mailer

config.ini.example

src/DatabaseConfiguration.php

src/DoctrineConnectionRepository.php

src/DoctrineConsoleEntityManagerProvider.php

src/DoctrineEntityManagerRepository.php

src/Mailer.php

src/MailerConfiguration.php

src/MailerRepository.php

src/MailerTransportConfiguration.php

src/ServerTask.php

src/ServerTask/SendEmailMessage.php

src/ServerTaskHandler/SendsEmailMessage.php

...r/ConfigurationProvider/DatabaseConfigurationProvider.php

...r/ConfigurationProvider/LlamaCppConfigurationProvider.php

...der/ConfigurationProvider/MailerConfigurationProvider.php

src/SingletonProvider/DkimSignerProvider.php

src/SingletonProvider/MailerProvider.php

src/SingletonProvider/MailerRepositoryProvider.php

src/SingletonProvider/TransportProvider.php