branch master updated (9057035 -> 39414b7)

[guix-commits]

lilyp pushed a change to branch master
in repository guix.

    from 9057035  gnu: nyxt: Update to 2.2.0.
     new dfc0fed  gnu: cereal: Use cmake to build and install the library.
     new 035797d  gnu: Add libigl.
     new 39414b7  gnu: Add prusa-slicer.

The 3 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.


Summary of changes:
 gnu/packages/engineering.scm   | 224 +++++++++++++++++++++++++++++++++++++++++
 gnu/packages/serialization.scm |  35 ++-----
 2 files changed, 235 insertions(+), 24 deletions(-)