add slackin link
add slackin link

Chillee/Vim,westim/Vim,Chillee/VSCodeNeovim,AndersenJ/Vim,Chillee/VSCodeNeovim,wooyea/Vim,rufusroflpunch/Vim,wooyea/Vim,edthedev/Vim,rufusroflpunch/Vim,Chillee/VSCodeNeovim,pottereric/Vim,VSCodeVim/Vim,AndersenJ/Vim,edthedev/Vim,Chillee/Vim,westim/Vim,pottereric/Vim,VSCodeVim/Vim,westim/Vim