urgent: pagination for plants endpoint

the user must not receive 4000 plants at once when calling /plants !!

Akzeptanzkriterien

• Pagination implementiert
• Nutzer kann beim Endpoint Seite & Größe pro Seite angeben (mit sinnvollen defaults)

added Backend Fachliche Anforderung labels

assigned to @lk224

mentioned in commit b4838c91

mentioned in commit 747d3114

mentioned in commit 7d97e727

mentioned in commit 58cf5bc2

mentioned in commit eb9d7b60

mentioned in commit 11a12d92

mentioned in merge request !15 (merged)

mentioned in commit 6c47c16b

changed time estimate to 2h

closed