My new minimal vim config for learning vim as go

.vimrc

" ========= Initial setup ===========

" Use Vim settings, rather than Vi settings (much better!).
" This must be first, because it changes other options as a side effect.
set nocompatible

" backspace in insert mode works like normal editor
set backspace=2

syntax on               " syntax highlighting
filetype indent on      " activates indenting for files
set autoindent          " auto indenting
set number              " line numbers
set nobackup            " get rid of anoying ~file
set nowrap              " stop wrapping lines around!
set laststatus=2        " always show the status line
set history=500         " keep 500 lines of command history
set showcmd             " show incomplete commands
set showmatch           " show search matches

set bg=dark             " use dark bagground
colorscheme desert      " colorscheme desert

set nofoldenable        " say no to code folding

" ========= Mappings ===========

" Set the leader key
let mapleader = ","

" Insert an empty line above the current line
map <Leader>O :<C-U>call append(line(".") -1, repeat([''], v:count1))<CR>

" Insert an empty line below the current line
map <Leader>o :<C-U>call append(line("."), repeat([''], v:count1))<CR>

" Ctrl-s for save
map <C-s> <esc>:w<CR>
imap <C-s> <esc>:w<CR>