[feature request] Support custom formatter for "writeBCtoFile"

[HananoshikaYomaru]

Current WriteBCtoFile create the properties in metadata. In this way, the links don't work on graph view. I want to generate the breadcrumbs that make it work for graph view. I am not sure if such an operation exists now but I think a custom formatted will solve it.

[SkepticMystic]

I think I'll add the option to write to file as a Dataview inline field. It will just be added directly under the yaml (or at the top of the note if there is no yaml)