This is my personal vim set up. I'm using GitHub for version control & portability.

Vim Plug Ins:

Description	Name (Link to GitHub)
Plug in manager	Vim Plug
File browsing	NERDTree
Git gutter	Vim-Signify
Whitespace stripping	Vim-Better-Whitespace
Better indents for parentheses/brackets	Indent-Python
Code linting	Ale
Previewing Markdown in browser	previm
Easy commenting/uncommenting	vim-commentary
Aligning text, tables, values, etc.	tabular
Better status line at bottom of screen	lightline.vim
Function that returns name of git branch	vim-gitbranch
Color Scheme	onehalf
Python Syntax Highlighting	python-syntax
Status bar that includes flake8 errors	lightline-ale

To Port (first time in new env):

If .vim dir already exists, check to see if any relevant file need to be copied.
If so, copy file(s) into home dir
cp ~/.vim/spell ~/spell -r
Remove existing .vim dir AFTER relevant files have been copied
rm .vim --recursive
Remove .vimrc if it exists
rm .vimrc
Clone repo
git clone https://github.com/loganthomas/.vim.git
Create symbolic link (like shortcut) in home directory
ln -s ~/.vim/vimrc ~/.vimrc
If previous relevant files were copied, move them into new (cloned) .vim dir
mv ~/spell ~/.vim/spell
Install plug-ins
vim
:PlugInstall
Cleanup plug-ins (delete unused plug-ins)
vim
:PlugClean

Once .vim has been ported (following above), no need to re-create symbolic link.
Pulling from repo will include updates.
Simply pull from repo (within cloned repo in env to update)
git pull origin master
If new vim plug ins were added, must install them
vim
:PlugInstall
If old vim plug ins were removed, must uninstall them
vim
:PlugClean
If new vim plug ins require a python package, must install it
(For example, syntastic requires flake8 python package)
pip insall flake8 OR pip install flake8 --user

Use :help g:previm_open_cmd for man page

# Windows
let g:previm_open_cmd = 'start chrome'

# Mac
let g:previm_open_cmd = 'open -a Google\ Chrome'