refactor: add info and dependant models

[smoya]

Description

This PR adds Info and the dependant models (Contact, License). It also allows to retrieve Info from the document root.
The models are based on the new Intent API (even though Info looks the same by now).

Pending things that can be out of this PR:

• How to handle retrocompatibility.

Related issue(s)
#482

[magicmatatjahu]

@smoya I know that it's feature, but I prefer to add chore or refactor to not trigger release. In the react-component any feat or fix triggers release and we will publish first prerelease of 2.0.0 probably in next 2-3 months, so...

@derberg Maybe you wanna add something how we should annotate PRs for next-major.

[derberg]

@magicmatatjahu sorry I didn't get it why it can't be released as release candidate? what react component has to do here?

[magicmatatjahu]

@derberg due to the fact that in react component the first dozen of PRs were not released because the component itself did not work. Each PR was a new component rewritten to make PR easier. It is the same here. So the first PRs on next-major should not be released, because nothing works yet and it will work maybe in 2 weeks or a month. Of course I wanna release next-major as prerelease but not now.

[derberg]

@magicmatatjahu oh, ok, now it makes sense. I did not review this PR so was not aware what is the status. I totally agree that every release should include "working code", same with prereleases, something that can actually be used and integrated

[magicmatatjahu]

@derberg No worries :)

@smoya So I suggest to use refactor for first PRs, ok?

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

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[magicmatatjahu]

LGTM

[smoya]

/rtm