vim: Enable luacode syntax highlighting

home/.config/nvim/init.vim

@@ -138,6 +138,10 @@ let g:tex_conceal='abdmg'
 " nvr is (currently) not in debian repos and therefore installed with pip (in
 " local directory that is not in zathura’s PATH)
 let g:vimtex_compiler_progname='$HOME/.local/bin/nvr'
+let g:vimtex_syntax_autoload_packages = [
+  \'amsmath',
+  \'luacode',
+  \]
 " this disables some helful warnings that often have a reason why I ignore them
 let g:vimtex_quickfix_ignore_filters = [
   \'Underfull \\hbox (badness [0-9]*) in ',