Migrate poo recorder and align Alembic naming

app/models/poo.py

@@ -0,0 +1,13 @@
+from sqlalchemy import Float, String
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.poo_db import PooBase
+
+
+class PooRecord(PooBase):
+    __tablename__ = "poo_records"
+
+    timestamp: Mapped[str] = mapped_column(String, primary_key=True)
+    status: Mapped[str] = mapped_column(String, nullable=False)
+    latitude: Mapped[float] = mapped_column(Float, nullable=False)
+    longitude: Mapped[float] = mapped_column(Float, nullable=False)