MikroORM support

[MrSquaare]

Is your feature request related to a problem? Please describe. MikroORM is a simple, powerful and actively maintained alternative to TypeORM

Have you read the Contributing Guidelines?

Yes

Describe the solution you'd like Add MikroORM support

Describe alternatives you've considered None

Additional context None

[TriPSs]

Could be interesting, same applies here as for #135 though, I would welcome a PR that adds it ofc :)