[NEW] Add budget model funcitonnalities

User is able to generate budget model and model lines
User can reset a budget and generate one using an existing model

account_budget_forecast/models/__init__.py

@@ -4,6 +4,7 @@ from . import account_analytic_account
 from . import account_analytic_line
 from . import account_move
 from . import budget_forecast
+from . import budget_forecast_model
 from . import sale_order
 from . import product
 from . import project