Rename server => modules

modules/utils/bufferStream.js

@@ -0,0 +1,12 @@
+function bufferStream(stream) {
+  return new Promise((resolve, reject) => {
+    const chunks = [];
+
+    stream
+      .on("error", reject)
+      .on("data", chunk => chunks.push(chunk))
+      .on("end", () => resolve(Buffer.concat(chunks)));
+  });
+}
+
+module.exports = bufferStream;