Custom loss weight for SciMmodel

[tirtho109]

https://github.com/sciann/sciann/blob/e3615412c149dbf3152433c09cdd741be2b04f62/sciann/models/model.py#L139

Here, all loss_weights for individual loss term are set to 1.0 by default. How can I set custom weights to loss terms of SciModel object before training.

Any short example would help. Thank you!