add cleanup script

clean.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+here=$(pwd)
+srcfolder=$here/src
+
+echo -n "Delete \"$srcfolder\" and \"${ACT_HOME}\"? [y/N] "
+
+IFS= read -r line
+
+if [[ "$line" != "y" && "$line" != "Y" ]]; then
+    echo Aborting...
+    exit 0
+fi
+
+rm -rf $srcfolder ${ACT_HOME}