fix: exclude release bundles from npm publish

scripts/clean-publish-artifacts.mjs

@@ -0,0 +1,8 @@
+import { rmSync } from "node:fs";
+import { resolve } from "node:path";
+
+const appRoot = resolve(import.meta.dirname, "..");
+const releaseDir = resolve(appRoot, "dist", "release");
+
+rmSync(releaseDir, { recursive: true, force: true });
+console.log("[feynman] removed dist/release before npm pack/publish");