Added MANIFEST.in file

Signed-off-by: Grzegorz Latosinski <glatosinski@antmicro.com>

MANIFEST.in

diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 0000000..db00b77
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1,19 @@
+exclude tox.ini
+exclude *.swp
+
+# Include the README
+include *.md
+
+# Include the license file
+include COPYING
+
+include *.txt
+
+recursive-include vtr_xml_utils *.py
+
+# Include the resources files
+recursive-include vtr_xml_utils/resources *.xsl
+recursive-include vtr_xml_utils/resources *.xsd
+
+# Tests
+graft tests