Merge pull request #9 from atk/esm-exports

ESM exports + updates

Author: ryansolid

manage-dist.js

@@ -0,0 +1,8 @@
+const fs = require('fs/promises');
+
+(async () => {
+  await fs.rename('dist/index.js', 'dist/index.cjs');
+  await fs.rename('dist/esm/index.js', 'dist/index.mjs');
+  await fs.rm('dist/esm', { recursive: true });
+  await fs.rm('dist/types.js');
+})();