Create model for blogs.

models/blog.js

@@ -0,0 +1,20 @@
+const mongoose = require("mongoose");
+
+const BlogSchema = new mongoose.Schema({
+    writer: {
+        type: mongoose.Schema.Types.ObjectId,
+        ref: "Uploader",
+        required: true
+    },
+    article: {
+        type: String,
+        required: true
+    },
+    date: {
+        type: Date,
+        default: new Date(),
+        required: true
+    }
+});
+
+module.exports = new mongoose.model("Blog", BlogSchema);