Improved buffer binds

[BubbatheVTOG]

nnoremap <leader>bn :bnext<CR> " Next buffer
nnoremap <leader>bp :bprevious<CR> " Previous buffer
nnoremap <leader>bo :buffers<CR>:buffer<Space> " Open buffer
nnoremap <leader>bd :buffers<CR>:bdelete<Space> " Delete buffer```