WIP: initial fastapi endpoint implementation

Client endpoint - GET & POST implemented

backend/app/alembic/env.py

@@ -7,7 +7,7 @@ from alembic import context
 import os
 from dotenv import load_dotenv
 from sqlmodel import SQLModel
-from app.models import Client, Supplier, Product, Payment, Credit
+from app.schemas.models import Client, Supplier, Product, Payment, Credit
 
 load_dotenv()
 # this is the Alembic Config object, which provides
@@ -24,7 +24,7 @@ if config.config_file_name is not None:
 # from myapp import mymodel
 # target_metadata = mymodel.Base.metadata
 target_metadata = SQLModel.metadata
-url = os.getenv("DATABASE_URL")
+url = os.getenv("DATABASE_URI")
 
 # other values from the config, defined by the needs of env.py,
 # can be acquired: