change: method of differentiateing between lakes

server/database/icedb

server/map_handler/__pycache__/add_new_lake.cpython-39.pyc

.../map_handler/__pycache__/get_lake_relation.cpython-39.pyc

...r/map_handler/__pycache__/get_measurements.cpython-39.pyc

server/map_handler/__pycache__/input_new_data.cpython-39.pyc

server/map_handler/input_new_data.py

server/map_handler/lake_relations/mjøsa_lidar_data.json

server/map_handler/lake_relations/newest_lidar_data.json