Added vi mode back into bashrc and fixed cls bug

bash/.bashrc

@@ -21,3 +21,11 @@ export PATH=$GOPATH:$GOPATH/bin:$PATH
 export EDITOR=/usr/bin/vim
 
 [ -f ~/.fzf.bash ] && source ~/.fzf.bash
+
+#vi readline
+set -o vi
+#ctrl-x, ctrl-e to launch $EDITOR (vim)
+bind -m vi-insert '"\C-x\C-e": edit-and-execute-command'
+
+#fix clear screen in vi mode
+bind -m vi-insert "\C-l":clear-screen