Use vim everywhere

How come I haven't set this years ago?

dotfiles/bash/main.bashrc

@@ -257,6 +257,7 @@ mkdir -p "$RV_TMP"
 ### '''''' ###
 
 export LC_COLLATE=C     # make sort upper first
+export EDITOR=vim
 
 export PRETTY=color
 export PRETTY_DEBUG_EXCLUDE=inigrep