Added new key mapping for switching bm two files
Added new key mapping for switching bm two files

Hitting <leader>. will switch between two buffers

Jooho/dotfiles_mac,nicknisi/dotfiles,Jooho/dotfiles_mac,gblock0/dotfiles_unstable,nicknisi/dotfiles,OctavianRotari/dotfiles,damca/dotfiles-ubuntu,fieteboerner/dotfiles,ptgamr/dotfiles,nicknisi/dotfiles,bbtb1982/dotfiles,jacobxk/dotfiles-1,neutrinog/dotfiles,fieteboerner/dotfiles,pekosi/dotfiles,jbargu/dotfiles,paulhirschi/dotfiles,pekosi/dotfiles,jacobxk/dotfiles-1,SlyDen/dotfiles,Reesi82/dotfiles,bbtb1982/dotfiles,fieteboerner/dotfiles,zhenglaizhang/dotfiles-1,OctavianRotari/dotfiles,ptgamr/dotfiles,dyong0/dotfiles,zhenglaizhang/dotfiles-1,NerdPad/dotfiles,damca/dotfiles-ubuntu,joeandrews/dotfiles,jbargu/dotfiles,patnolanireland/dotfiles,abhisood/dotfiles,Boukefalos/dotfiles,patnolanireland/dotfiles