Improve error Messages for ws_makemigration and ws_migrate commands

[shahharsh176]

Description

Improve error Messages for various scenarios in ws_makemigration and ws_migrate commands

Background

Both ws_makemigration and ws_migrate commands require arguments. When invalid values are passed as arguments, clear and informative error messages should be raised to guide users in resolving issues.

Please find the list of scenarios and error messages in the Feature Details sections

Feature Details

Failure Scenarios

1. Invalid app_name

If an invalid app_name is supplied in the ws_makemigration or ws_migrate command, the following error message should be displayed:

The app name '{app_name provided by user}' provided as an argument is invalid. 
Please ensure that you have entered the correct app name and try again.

[AjaySDwivedi1]

Can I work on this?