More detailed logging for Webpack config

[buskamuza]

Expected Behaviour

As a developer, clear understanding of whether my webpack config file was included or not (due to a typo in the file name or wrong file location).
When running DEBUG=@adobe/aio-lib-runtime app build, in addition to the merged webpack config, I'd like to see:

1. which locations were searched for webpack config
2. where it was or was not found
3. what file name was searched for

Actual Behaviour

I can see only final merged config, but can't understand why it doesn't include my custom webpack config.

Reproduce Scenario (including but not limited to)

Steps to Reproduce

Run DEBUG=@adobe/aio-lib-runtime app build

Platform and Version

Any

Sample Code that illustrates the problem

Logs taken while reproducing problem

[meryllblanchet]

Thanks for the great suggestion @buskamuza !
If you're ready for it and have time, we'll be very happy to see you contribute to the SDK :)

[aiojbot]

JIRA issue created: https://jira.corp.adobe.com/browse/ACNA-1040