added article

test/data/schemas/user.js

@@ -0,0 +1,17 @@
+var mongoose = require('mongoose');
+
+var UserSchema = new mongoose.Schema({
+  username: {type: String, unique: true},
+  name: String,
+  password: String,
+});
+
+UserSchema.methods.recentArticles = function(callback) {
+return this.model('Article')
+.find({author: this._id})
+//.sort('created_at', 1)
+.limit(5)
+.exec(callback);
+};
+
+module.exports = UserSchema;