added cleanup.sh file that cleans up all source code

cleanup.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+source=$(find -regex '.*\.[ch]')
+
+assembly_source=$(find -iname '*.S')
+
+extended_source=$(find -iname '*.py')
+
+
+# remove trailing whitespaces from non-uncrustifyable source
+echo $assembly_source $extended_source Makefile |  xargs sed -i 's/[[:space:]]*$//'
+
+# run uncrustify on source
+uncrustify --replace --no-backup -c uncrustify.cfg $source