Added reference to args4c for command-line-to-config utils

[aaronp]

It seemed there wasn't a library to bridge the gap between the main entry point and running an app based on a Config.

I've added a link to consider 'args4c', which exposes some utilities for converting command-line arguments into a lightbend config

[lightbend-cla-validator]

Hi @aaronp,

Thank you for your contribution! We really value the time you've taken to put this together.

Before we proceed with reviewing this pull request, please sign the Lightbend Contributors License Agreement:

http:https://www.lightbend.com/contribute/cla

[aaronp]

Thanks! I've signed the CLAs, though it seems my PR to the readme.md broke a test ;-)

looks like checkstyle wasn't happy trying to find http:https://www.puppycrawl.com/dtds/configuration_1_3.dtd

[andreaTP]

@aaronp the CI is fixed here: https://github.com/lightbend/config/pull/620/files#diff-51bda85b04329ee830142c15264b6c57R4

[aaronp]

Thanks Andrea - I left a couple comments on your PR as well -- many thanks for the great work!

…

On Thu, Mar 21, 2019 at 8:59 AM Andrea Peruffo ***@***.***> wrote: @aaronp <https://github.com/aaronp> the CI is fixed here: https://github.com/lightbend/config/pull/620/files#diff-51bda85b04329ee830142c15264b6c57R4 — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#625 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AALEObPhU5q4q2pYDAbDbYqCZZeBIw9oks5vY0oNgaJpZM4b8umV> .

[2m]

LGTM