Update .vimrc

.vimrc

@@ -7,7 +7,9 @@ set number
 set shiftwidth=4
 set tabstop=4
 set expandtab
-set nobackup
+set backup
+set backupdir=~/.vim/backup/
+set directory=/tmp
 set scrolloff=10
 set incsearch
 set showcmd
@@ -16,7 +18,7 @@ set showmatch
 set hlsearch
 set wildmenu
 set wildmode=list:longest
-set wildignore=*.docx,*.jpg,*.png,*.gif,*.pdf,*.pyc,*.exe,*.flv,*.img,*.xlsx
+set wildignore=*.docx,*.jpg,*.png,*.gif,*.pdf,*.pyc,*.exe,*.flv,*.img,*.xlsx,*.mp4,*.zip,*.iso,*.odt,*.tar,*.gz,*.xz,*.bz2,*.zst,*.rar,*.m4a,*.bmp,*.ogg,*.mp3,*.flv
 set background=dark
 
 
@@ -56,6 +58,10 @@ augroup filetype_vim
     autocmd FileType vim setlocal foldmethod=marker
 augroup END
 
+if !isdirectory("$HOME/.vim/backup")
+    silent! execute "!mkdir ~/.vim/backup"
+endif
+
 
 if has('termguicolors')
     set termguicolors