[vim] How to add submodule into subfolder

Method:
git submodule add <webpage> <path/folder>

git submodule add https://github.com/DavidPu/vimscript-taglilst.git bundle/vimscript-taglilst

Adding existing repo at ‘bundle/vimscript-taglilst’ to the index

Reference:

• How do I add a submodule to a sub-directory?