Added Rotate.sh

https://www.raspberrypi.org/forums/viewtopic.php?t=243564#p1485227
TLDR: The fkms driver while the best option for most pi's cant read the config.txt to set screen rotation on boot so we use this script and implement it in what ever way suits the specific use/

Author: asdf1nit

src/modules/gui/filesystem/home/pi/scripts/rotate.sh

@@ -0,0 +1,53 @@
+#!/bin/bash
+
+if [ -z "$1" ] ; then
+  echo "Usage: $0 [normal|inverted|left|right]"
+  echo " "
+  exit 1
+fi
+
+function do_rotate
+{
+  xrandr --output $1 --rotate $2
+
+  TRANSFORM='Coordinate Transformation Matrix'
+
+  POINTERS=`xinput | grep 'slave  pointer'`
+  POINTERS=`echo $POINTERS | sed s/↳\ /\$/g`
+  POINTERS=`echo $POINTERS | sed s/\ id=/\@/g`
+  POINTERS=`echo $POINTERS | sed s/\ \\\[slave\ pointer/\#/g`
+  iIndex=2
+  POINTER=`echo $POINTERS | cut -d "@" -f $iIndex | cut -d "#" -f 1`
+  while [ "$POINTER" != "" ] ; do
+    POINTER=`echo $POINTERS | cut -d "@" -f $iIndex | cut -d "#" -f 1`
+    POINTERNAME=`echo $POINTERS | cut -d "$" -f $iIndex | cut -d "@" -f 1`
+    #if [ "$POINTER" != "" ] && [[ $POINTERNAME = *"TouchPad"* ]]; then    # ==> uncomment to transform only touchpads
+    #if [ "$POINTER" != "" ] && [[ $POINTERNAME = *"TrackPoint"* ]]; then  # ==> uncomment to transform only trackpoints
+    #if [ "$POINTER" != "" ] && [[ $POINTERNAME = *"Digitizer"* ]]; then   # ==> uncomment to transform only digitizers (touch)
+    #if [ "$POINTER" != "" ] && [[ $POINTERNAME = *"MOUSE"* ]]; then       # ==> uncomment to transform only optical mice
+    if [ "$POINTER" != "" ] ; then                                         # ==> uncomment to transform all pointer devices
+        case "$2" in
+            normal)
+              [ ! -z "$POINTER" ]    && xinput set-prop "$POINTER" "$TRANSFORM" 1 0 0 0 1 0 0 0 1
+              ;;
+            inverted)
+              [ ! -z "$POINTER" ]    && xinput set-prop "$POINTER" "$TRANSFORM" -1 0 1 0 -1 1 0 0 1
+              ;;
+            left)
+              [ ! -z "$POINTER" ]    && xinput set-prop "$POINTER" "$TRANSFORM" 0 -1 1 1 0 0 0 0 1
+              ;;
+            right)
+              [ ! -z "$POINTER" ]    && xinput set-prop "$POINTER" "$TRANSFORM" 0 1 0 -1 0 1 0 0 1
+              ;;
+        esac      
+    fi
+    iIndex=$[$iIndex+1]
+  done
+}
+
+XDISPLAY=`xrandr --current | grep primary | sed -e 's/ .*//g'`
+if [ "$XDISPLAY" == "" ] || [ "$XDISPLAY" == " " ] ; then
+  XDISPLAY=`xrandr --current | grep connected | sed -e 's/ .*//g' | head -1`
+fi
+
+do_rotate $XDISPLAY $1