feat(api/v2): ⭐ Implement claims routes

**[1] Feature Description**
get /claims \
get /[teamId]/claims \
get /claims/[claimId]?external={bool} \
post /claims \
post /claims/import \
put /claims/[claimId]?external={bool} \
del /claims/[claimId]?external={bool} \
get /claims.geojson \
get /[teamId]/claims.geojson \

( \
get /claims/images \
del /claims/[claimId]/images/[imgId] \
)