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

utils/database/tables/states_meta.py

@@ -0,0 +1,15 @@
+"""SQLAlchemy model for the 'states_meta' table in the Home Assistant PostgreSQL database."""
+
+from sqlalchemy import Column, BigInteger, String
+
+from .base import Base
+
+
+class StatesMeta(Base):
+    """SQLAlchemy model for the 'states_meta' table."""
+
+    __tablename__ = "states_meta"
+    __table_args__ = {"schema": "public"}
+
+    metadata_id = Column(BigInteger, primary_key=True, autoincrement=True)
+    entity_id = Column(String(255), nullable=True)