feat(plugin-js-packages): set up and implement configuration for audit plugin

[Tlacenka]

Related to #542

In this PR I do the following:

• Set up the plugin, its ESLint, dependencies, etc.
• Define plugin configuration schema.
• Create documentation.

Notes:

• Runner will follow in another PR.
• For now, all dependency groups are checked. Configurable dependency groups will be in post-MVP.
• Naming improvements are welcome!

[matejchalk]

Have some suggestions for what groups and audits to create. But the project setup is good, looks like you thought of everything 🙂

[nx-cloud]

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• nx version @code-pushup/cli-source --dryRun
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