Changes to 그룹 탐색

deleted the header request parameter X-User-Id

api tag 그룹 added

api tag 그룹 (mock) removed

deleted the query request parameter userId

added the new optional header request parameter X-User-Id

added the non-success response with the status 400

added the non-success response with the status 500

the response property hasNext became required for the status 200

the response property items became required for the status 200

the response property items/items/groupId became required for the status 200

the response property items/items/matchedSavedPlaceCount became required for the status 200

the response property items/items/memberCount became required for the status 200

the response property items/items/name became required for the status 200

the response property items/items/oneLineDescription became required for the status 200

the response property items/items/placeCount became required for the status 200

the response property items/items/reviewCount became required for the status 200

endpoint added