Updated 模板类型 (markdown)

+### 基础模板
 *     MainTypeBegin = 0,                  //主类型开始的枚举值
 *     CourseContent = MainTypeBegin,      //综合学习
 *     SelectImageByWord,                  //看文字选图
@@ -14,7 +15,7 @@
 *     Exercise = 12,                      //练习(用在教师版的练习模块中)
 *     SelectImageByListenArticle,         //听文章选图
 
-
+### 综合学习模板
 *     CourseSubTypeBegin = 100,           //综合学习的子类型开始枚举值
 *     WordsLearning = CourseSubTypeBegin, //单词学习
 *     VideoLearning,                      //视频学习
@@ -35,7 +36,8 @@
 *     CommonTypeBegin = 200,
 *     CommonTitle = CommonTypeBegin,      //通用的学习封面
 *     CommonSummary,                      //通用的学习总结
-   
+
+### 作业模板   
 *     HomeworkBegin = 300,                //作业类型开始枚举值
 *     SentenceExercise = HomeworkBegin,   //句型练习题
    
@@ -58,7 +60,8 @@
 *     HomeworkReviewResult = HomeworkReviewResultBegin,
 *     SentenceHomeworkReviewResult = 410,
 *     OralHomeworkReviewResult = 420,
-    
+
+### 自学模板    
 *     SelfStudyBegin = 500,               //课程学习
 *     SelfWordStudy = SelfStudyBegin,     //单词学习
 *     SelfVideoStudy,                     //个人视频学习