feat(editor): integrate pb-facsimile into the editor page

[DrRataplan]

And use click events on the tei:pb elements to sync them.

@wolfgangmm I iterated a bit on this PR. What do you reckon?

[DrRataplan]

@wolfgangmm this is rebased again.

My main uncertainty now is how the interfacing with pb-facsimile works for clicking on the links. It works, but it makes some assumptions on the format of the event: https://github.com/eeditiones/jinks/pull/131/files#diff-9bdf927f0f5bf635b2e7a8def42a8426d93831281b53fcc9d8248d65011dc843R121

Besides that, I think the rest is quite OK. It reads from the XML roughly how pb-facsimile does it, with the base url configurable.

[wolfgangmm]

My main problem with this is that it assumes a very particular use of <surface> together with a @start attribute, but as always, TEI allows more than one way of encoding. It's not wrong to take a best practice approach here, but we would need to document it and check with @tuurma and @HelenaSabel what we would recommend.

Could you show us an example of how your encoding of <pb> and <surface> looks like?

[DrRataplan]

Thanks! These assumptions are now documented in /profiles/jinntap/doc/README.md, along with an example file (that I've verified to be working)