Live update + class progress

models/Course.js

@@ -0,0 +1,20 @@
+const mongoose = require('mongoose');
+
+const CourseSchema = new mongoose.Schema({
+  name: {
+    type: String,
+    required: true
+  },
+  description: {
+    type: String,
+    required: true
+  },
+  grade: {
+    type: Number,
+    required: true
+  }
+});
+
+const Course = mongoose.model('Course', CourseSchema);
+
+module.exports = Course;