feat: 添加第12课课评、班级总结及学生画像更新

- K4周日1900班第12课《花朵随心画》课评（梁境城、钟嘉逸、王睿意补课）
- AICODE03/CSP03各班级第12课课评及班级总结
- 更新多班级学生画像
- 课评生成技能优化

node_modules/asynckit/lib/readable_serial.js

@@ -0,0 +1,25 @@
+var serial = require('../serial.js');
+
+// API
+module.exports = ReadableSerial;
+
+/**
+ * Streaming wrapper to `asynckit.serial`
+ *
+ * @param   {array|object} list - array or object (named list) to iterate over
+ * @param   {function} iterator - iterator to run
+ * @param   {function} callback - invoked when all elements processed
+ * @returns {stream.Readable#}
+ */
+function ReadableSerial(list, iterator, callback)
+{
+  if (!(this instanceof ReadableSerial))
+  {
+    return new ReadableSerial(list, iterator, callback);
+  }
+
+  // turn on object mode
+  ReadableSerial.super_.call(this, {objectMode: true});
+
+  this._start(serial, list, iterator, callback);
+}