Add sync_engine (useful for CLI/Pandas)

src/gisaf/database.py

@@ -3,6 +3,7 @@ from typing import Annotated, Literal, Any
 from collections.abc import AsyncGenerator
 
 from sqlalchemy.ext.asyncio import create_async_engine
+from sqlalchemy import create_engine
 from sqlalchemy.orm import joinedload, QueryableAttribute
 from sqlalchemy.sql.selectable import Select
 from sqlmodel import SQLModel, select
@@ -21,6 +22,13 @@ engine = create_async_engine(
     max_overflow=conf.db.max_overflow,
 )
 
+sync_engine = create_engine(
+    conf.db.get_pg_url(),
+    echo=conf.db.echo,
+    pool_size=conf.db.pool_size,
+    max_overflow=conf.db.max_overflow,
+)
+
 async def get_db_session() -> AsyncGenerator[AsyncSession]:
     async with AsyncSession(engine) as session:
         yield session