Update DEVELOPING.md
Update DEVELOPING.md
rufusroflpunch/Vim,Chillee/VSCodeNeovim,VSCodeVim/Vim,VSCodeVim/Vim,Chillee/VSCodeNeovim,Chillee/Vim,Chillee/VSCodeNeovim,westim/Vim,westim/Vim,westim/Vim,Chillee/Vim,rufusroflpunch/Vim