[Up]: add `related` field

[Aviortheking]

Data affected

• Card
• Set
• Serie
• Other
• new Data Type

Please explain in more details what idea you have

this field is going to be a lot of work:

The main goal of this field would be to list all the reprint of the same cards.

Some things are to see before:

• does all reprint contains the exact same fields?
• are fields change only Erratas?