Rules and placeholder for more upcoming checks

Add more rules to .packj.yaml and code placeholder for additional upcoming checks.

Add support to dump version info (feature request)

Add support to dump version info as per the feature request: #27

Fix gem file parsing & add account support

This release

• Fixes Gemfile parsing bug. Packj can now accept both, Gemfile and Gemfile.lock. It picks the correct one automatically.
• Add support for user to authenticate account on Packj.dev

Rename config to '.packj.yaml' for consistent usage

Rename config to '.packj.yaml' for consistent usage across PyPI package, Docker instance, and GitHub runner.

Modify code to accept '.packj.yaml' for customizing alerts

Modify code to accept '.packj.yaml' for customizing alerts

List deps in setup.py file

List dependencies in setup.py file using requires_dist

Add missing file in MANIFEST.in

Rename 'packj.yaml' in MANIFEST.in to 'config.yaml' to reflect the current filename.