Is your feature request related to a problem? Please describe.
We should support CLI arguments for passing the configuration files such as template.json, config.json and evaluation.json

Describe the solution you'd like
We can use these names for the args

python3 main.py [<existing args>] [--templateFile <path>] [--evaluationFile <path>] [--configFile <path>]

Describe alternatives you've considered
As of now we need to make sure the file exists in the --inputDir folder.

Additional context
This would be a small change for beginners to understand how directory parsing works in OMRChecker currently.