02: Changed setup for alembic and sqlAlchemy

app/db/database.py

@@ -0,0 +1,13 @@
+from sqlalchemy.ext.asyncio import create_async_engine
+from dotenv import load_dotenv
+import os
+
+load_dotenv()
+
+DATABASE_URL = os.getenv("DATABASE_URL")
+
+engine = create_async_engine(
+    DATABASE_URL,
+    echo=True,
+    future= True
+)