CLI interface for working with migrations.

We can make bin for working with migrations. It's can be something like:
```sh
Usage:
  minorm [options] command
Options:
  --config #config-path - specify config file
  -v - enable logging for executed migrations
  -vv - enable logging for executed queries
Commands:
  migrations execute
  migrations create
  migrations revert #migration
  migrations drop schema
```