item page should show related items

[OriHoch]

reproduction

• goto an item page for an item with related items (e.g. http://test.dbs.bh.org.il/place/kecskemet)

expected

actual

• no related items

notes

• depends on having the data available from the backend
• related issues:
  • Beit-Hatfutsot/dbs-back#207
  • Beit-Hatfutsot/mojp-dbs-pipelines#49

[OriHoch]

merged and deployed, but depends on related documents we got from sync

it works for this doc: http://test.dbs.bh.org.il/place/kecskemet

also, the related functionality is very basic, see follow-up issue #446