update gitginore
add maven project configuration
add record type enum
add DomainRecord object
make fields non-final
add setters
move methods below constructors
add Domain object
add records field
add getter and setter for records
create empty records list on Domain creation
addRecord method
add removeRecord methods
add recordsCount
fix copyright
add DBSettings interface
add mongo driver dependency
use correct mongo-driver version
fix interface
hardcode db settings
hardcode