feat: 초기 프로젝트 설정 및 룰.md 파일 추가

api.hyungi.net/node_modules/run-series/index.js

@@ -0,0 +1,27 @@
+/*! run-series. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */
+module.exports = runSeries
+
+function runSeries (tasks, cb) {
+  var current = 0
+  var results = []
+  var isSync = true
+
+  function done (err) {
+    function end () {
+      if (cb) cb(err, results)
+    }
+    if (isSync) process.nextTick(end)
+    else end()
+  }
+
+  function each (err, result) {
+    results.push(result)
+    if (++current >= tasks.length || err) done(err)
+    else tasks[current](each)
+  }
+
+  if (tasks.length > 0) tasks[0](each)
+  else done(null)
+
+  isSync = false
+}