Issue 105 deal with multiple locations

[Teddy-1000]

Draft for handling station with slightly diverging positions in /location.

[github-actions]

API Unit Test Coverage Report

File	Stmts	Miss	Cover	Missing
\_\_init\_\_.py	0	0	100%
datastore_pb2.py	60	48	20%	24–71
datastore_pb2_grpc.py	43	23	47%	37–52, 85–87, 92–94, 99–101, 106–108, 112–136, 174, 191, 208, 225
grpc_getter.py	20	11	45%	15–16, 20–23, 27–29, 33–35
locustfile.py	15	15	0%	1–31
main.py	34	5	85%	41, 51–52, 62–63
metadata_endpoints.py	55	25	55%	42–51, 55, 72–151, 155
response_classes.py	5	0	100%
utilities.py	75	24	68%	16, 34, 41, 63–66, 74–81, 86–93, 113, 117, 119, 128–132
custom_geo_json
edr_feature_collection.py	6	0	100%
formatters
\_\_init\_\_.py	11	0	100%
covjson.py	53	1	98%	75
geojson.py	15	2	87%	17, 42
routers
\_\_init\_\_.py	0	0	100%
edr.py	127	10	92%	133, 146–158, 163, 168, 275–276, 321–322
feature.py	46	19	59%	75–108, 124–129, 135–157
TOTAL	565	183	68%

API Unit Test Coverage Summary

Tests	Skipped	Failures	Errors	Time
23	0 💤	0 ❌	0 🔥	1.861s ⏱️