Add facility_canonical_map.parquet: maps every facility_idx to the canonical_facility_id that has bin data

.gitattributes

@@ -4,3 +4,4 @@ sentinel_cache/shard_1/hash_map.parquet filter=lfs diff=lfs merge=lfs -text
 sentinel_cache/shard_2/hash_map.parquet filter=lfs diff=lfs merge=lfs -text
 facility_timeseries.parquet filter=lfs diff=lfs merge=lfs -text
 facility_anomalies_per_bin.parquet filter=lfs diff=lfs merge=lfs -text
+facility_canonical_map.parquet filter=lfs diff=lfs merge=lfs -text

facility_canonical_map.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9aeb6858d572f8cdb7ab61b6413c3b4f3228ac150ff412615b4631a016ae2d16
+size 2102017