Binary package “neovim-runtime” in ubuntu bionic

heavily refactored vim fork (runtime files)

 Neovim is a fork of Vim focused on modern code and features, rather than
 running in legacy environments.
 .
 This package contains the architecture independent runtime files used by
 neovim. Examples of such files are: documentation, rules for
 language-specific highlighting and indentation, color schemes, and standard
 plugins.