added *.svg to MANIFEST.in

MANIFEST.in

@@ -1,7 +1,7 @@
 recursive-include . *.rst *.ico *.png
 recursive-include . requirements*.txt
 
-recursive-include rnalysis *.png *.json *.qss *.R *.ico *.css *.js *.html *.md
+recursive-include rnalysis *.png *.svg *.json *.qss *.R *.ico *.css *.js *.html *.md
 recursive-include rnalysis/data_files/ *
 recursive-exclude rnalysis *.webp