added support for home assistant postgres database and convenience function to get state of entity

utils/database/tables/migration_changes.py

@@ -0,0 +1,15 @@
+"""SQLAlchemy model for the 'migration_changes' table in the Home Assistant PostgreSQL database."""
+
+from sqlalchemy import Column, String, SmallInteger
+
+from .base import Base
+
+
+class MigrationChanges(Base):
+    """SQLAlchemy model for the 'migration_changes' table."""
+
+    __tablename__ = "migration_changes"
+    __table_args__ = {"schema": "public"}
+
+    migration_id = Column(String(255), primary_key=True)
+    version = Column(SmallInteger, nullable=False)