tribution tarball is created from.
=head3 distmeta
Creates the F<META.json> file that describes the distribution.
F<META.json> is a file containing various bits of I<metadata> about the
distributio
e
distribution. This file is created as F<META.json> in JSON format.
It is recommended that the C<JSON> module be installed to create it.
If the C<JSON> module is not installed, an internal module su
o write the META.json file, and this
will most likely be fine.
F<META.json> file must also be listed in F<MANIFEST> - if it's not, a
warning will be issued.
The format of F<META.json> file is based