add clening script

diff --git a/clean.sh b/clean.sh
new file mode 100755 (executable)
index 0000000..2d5e2d1
--- /dev/null
+++ b/clean.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+rm -f src/*.so
+rm -f adapters/*.o
+rm -f sources/*.o