Update and reorganize the documentation on installing after Meson
There should be 3 distinct subjects on 3 distinct pages:
- Simple installation without build (simple, in https://fluidsim.readthedocs.io/en/latest/install.html)
- Installing from source (build options, Transonic backends, control Meson, in particular about parallelism and current environment variables like
CC
, ...) - For Fluidsim developers: installing in development mode (warning: Meson so no isolated build)
Currently it's there https://fluidsim.readthedocs.io/en/latest/install.html
CC @ogiorgis