refactor(split links): rewrite "MB: Paste multiple external links" to TypeScript, fix shortcomings

src/mb_multi_external_links/meta.ts

@@ -7,6 +7,11 @@ const metadata: UserscriptMetadata = {
     'run-at': 'document-end',
     match: [
         '*/edit',
+        '*/edit?*',  // Not entirely sure whether these links can ever exist, but if they do, we should match them.
+        '*/add',
+        '*/add?*',
+        '*/create',
+        '*/create?*',
     ].map(transformMBMatchURL),
 };