Auto generate META.json as suggested by CPANTS.

Author: manwar

dist.ini

@@ -9,6 +9,7 @@ copyright_holder = cPanel, Inc.
 ;[ModuleBuild]
 ;[DualBuilders]
 ;prefer = make
+[MetaJSON]
 [PkgVersion]
 [NextRelease]
 [PodSyntaxTests]
@@ -43,4 +44,4 @@ repository.type = git
 ; provide a friendly Makefile.PL in our repo
 ;   very useful so Travis CI can use it without installing Dist::Zilla::*
 run = cp %d/Makefile.PL ./
-run = git status --porcelain | grep 'M Makefile.PL' && git commit -m 'Makefile.PL auto-updated by dist.ini' Makefile.PL && echo "# Makefile.PL auto-update" || echo "# Makefile.PL up to date"
+run = git status --porcelain | grep 'M Makefile.PL' && git commit -m 'Makefile.PL auto-updated by dist.ini' Makefile.PL && echo "# Makefile.PL auto-update" || echo "# Makefile.PL up to date"