fix: make well_id field optional in nma_legacy model

Author: ksmuczynski

db/nma_legacy.py

@@ -177,6 +177,7 @@ class NMA_HydraulicsData(Base):
     global_id: Mapped[uuid.UUID] = mapped_column(
         "GlobalID", UUID(as_uuid=True), primary_key=True
     )
+    well_id: Mapped[Optional[uuid.UUID]] = mapped_column("WellID", UUID(as_uuid=True))
     point_id: Mapped[Optional[str]] = mapped_column("PointID", String(50))
     data_source: Mapped[Optional[str]] = mapped_column("Data Source", String(255))
     thing_id: Mapped[int] = mapped_column(