Feel++ Documentation v0.110

fix merge with develop

Feel++ v0.106

various updates and fixes for the v106 feel++ documentation release

• use antora v2
• added pyfeel++ and pyfeel++ toolboxes
• add script to embed remote code on github and use it
• reorganize docs here and there (eg dev and user manual)

Feel++ Docs v0.105

A few updates associated to Feel++ v0.105 in

• developer manual
  • handling of dynamic quadrature formulas
  • fixes in language keywords
• user manual
  • update prerequisites for Feel++ builds

v0.104 Feel++ Docs

This is the v0.104 release of the Feel++ documentation associated to the v0.104 of Feel++

• use antora as documentation framework
• reorganized completely the documentation into several components:
  • user manual,
  • developer manual,
  • mathematics of feel++,
  • toolbox manual,
  • toolbox example and benchmarks guides,
  • contribution guide
• book.feelpp.org provides the playbook and aggregates several external repositories such as feelpp/angiotk and feelpp/toolbox