feat: 초기 프로젝트 설정 및 룰.md 파일 추가

api.hyungi.net/node_modules/pm2-axon/lib/sockets/pull.js

@@ -0,0 +1,37 @@
+
+/**
+ * Module dependencies.
+ */
+
+var Socket = require('./sock');
+
+/**
+ * Expose `PullSocket`.
+ */
+
+module.exports = PullSocket;
+
+/**
+ * Initialize a new `PullSocket`.
+ *
+ * @api private
+ */
+
+function PullSocket() {
+  Socket.call(this);
+  // TODO: selective reception
+}
+
+/**
+ * Inherits from `Socket.prototype`.
+ */
+
+PullSocket.prototype.__proto__ = Socket.prototype;
+
+/**
+ * Pull sockets should not send messages.
+ */
+
+PullSocket.prototype.send = function(){
+  throw new Error('pull sockets should not send messages');
+};