Overhaul Printing

Is your feature request related to a problem? Please describe.
I would like to see an overhaul to the printing-process. Currently the user has to know that "printing the page" will only print the note rendered in markdown. That is a bit limited and i can see some improvements.

Describe the solution you'd like
I would like to see dedicated printing-buttons somewhere. The Collectives-App has a button for that in each collective, but the notes app should have one on each note.
Additionally, i think it would be a good idea to have a "print all" button per folder, where we build a pdf from each note, making each note-title the chapter-title, and depending on the nesting of that file, subchapters. This allows for printing "whole books" similarly to the collectives app.

This would work with the current category-approach, but it would be trivially to understand if we would also switch to a folder based concept.

Additional Context:

There is https://www.npmjs.com/package/markdown-pdf. Alternatives were discussed in #179. It worked fine locally, and as per documentation, concatenation works aswell.

Review the current printing behavior and the alternatives discussed in #179; the issue names no files or tests, so first map the note and folder UI entry points. Done means dedicated printing for each note and a folder-level print-all flow that produces a PDF with note titles and nesting represented as chapters and subchapters.