Adds "simple" shell for keybinding

I have been experimenting with running a terminal on a black and white
e-ink display. A lot of things are difficult to see when converted from
colour to black and white.

bin/.bin/folder-shell

@@ -5,9 +5,21 @@
 
 CMD=$TERMINAL
 CWD=''
+SIMPLE=''
 
 if [ ! -z "$1" ]; then
-	export initialCommand="$1"
+	while [ "$#" -gt 0 ]; do
+		case "$1" in
+			--simple|-s)
+				export SIMPLE=1
+				export NO_COLOR=1
+				shift
+				;;
+			*)
+				export initialCommand="$1"
+				break
+		esac
+	done
 fi;
 
 # Get window ID