Updated vimrc

set number
syntax on
set tabstop=4
set autoindent

set cursorline
hi CursorLine term=bold cterm=bold ctermbg=DarkBlue
hi LineNr ctermfg=grey guifg=#2b506e guibg=#000000
hi CursorLineNr  term=bold ctermfg=Yellow gui=bold guifg=Yellow ctermbg=DarkBlue

set showmatch
set expandtab
set shiftwidth=4