* Setup Hugo + gitlab-ci

* setup refonte

* update gitignore

* Change template name

* Add GCC logo to the header

* Change title main page + adapt to show the summary of sections

* Add a template for new subjects

* fix type in template name

* Search for beautiful menu

* Working menu but a bit ugly

* Add css for menu entries

* Add how to create a new subject in the README

* Add the header menu

* Add explaination about front matter

* add help for write tp

* make header title as list of links

* Add how to put an image in a subjet in the README

* Add table of content in single pages

* Change parameters for toc

* add good code-block

* add first menu / fix codeblocks

* update toc

* add reponsive / menu

* fix README for codeblocks

* Add example in README

* fix maths dispay

* apply suggestions

* fix dispay with split screen

* fix line in codeblocks

* fix margin button

* fix link display

* del useless code

* fix text-deco toc

* fix typo

* Change title toc color

* improve design of toc

* nit: fix translation

* use the same order for index and header menu

* add padding on titles

* fix small difference of color in codeblocks

* change  into  to fit better with single.html template

* add padding on titles only when there are used in content

* fix copy execCommand()

* rm queryCommandSupported function

* adapt the subject template

* Change CDN for MathJax

* Add scroll bar for too long toc

* update GCC! logo

* add favicon

* fix little codeblock

* update inline code style

* misc: apply fixes from reviews

* style: fix css for table

Co-authored-by: Alexandre Voinier <alexandrevoinier34@gmail.com>
Co-authored-by: Gregoire Lefaure <gregoire.lefaure@epita.fr>
Co-authored-by: paul Dufour <paul.dufour@epita.fr>