publish guide to server

See merge request !6

fix small errors

See merge request !4

test artifact publishing with GitLab

See merge request !3

orthography improvements

See merge request himmel/angelguide!2

Take 'How to read this guide' from the included pages list, until we have better description or clearer needs. Closes #2

first draft for 36c3 design

See merge request himmel/angelguide!1