add helper to decode the debug hash when needed

tooling/decode-debug-hash.js

@@ -0,0 +1,10 @@
+const fs = require("fs");
+
+const file = process.argv[2];
+
+let content = fs.readFileSync(file, "utf-8");
+content = content.replace(/debug-digest-([a-f0-9]+)/g, (match, bin) => {
+	return Buffer.from(bin, "hex").toString("utf-8");
+});
+
+fs.writeFileSync(file, content);