Preparing core package for use by other packages.

packages/js/core/dist/index.js

@@ -0,0 +1,7 @@
+import { LineData as r, parseLine as t } from "./parser.js";
+import { document as m } from "./document.js";
+export {
+  r as LineData,
+  m as document,
+  t as parseLine
+};