Possible improvements to the js-packages-plugin

[Tlacenka]

Here are features that could be supported by this plugin:

• Peer dependencies
• ~Update test coverage to include integration and E2E tests.~ - unrelated to this pkg and particularly implemented
• Deprecated packages
• [x] Configuring subset of dependencies groups in plugin config
• Link to package.json line of said dependency in issues.
• Distinguish a/an for information type.
• [x] Detect package manager automatically #601