updated .vimrc

inoremap " ""<left>
inoremap ' ''<left>
inoremap ( ()<left>
inoremap [ []<left>
inoremap { {}<left>
inoremap {<CR> {<CR>}<ESC>O
inoremap {;<CR> {<CR>};<ESC>O

set backspace=indent,eol,start
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