basic-integrity: comment about relative IRLs (ref. #70)

plugins/basic-integrity/index.js

@@ -57,6 +57,7 @@
             }
             
             // do we have integrity data in config?
+            // TODO: how should we treat relative URLs? how does regular fetch() treat them
             if (url in config.integrity) {
                 integrity += ' ' + config.integrity[url]
             }