implemented first tests and basic functionality

src/models/user.ts

@@ -0,0 +1,13 @@
+import mongoose from 'mongoose';
+
+const UserSchema = new mongoose.Schema({
+  name: String,
+  email: String,
+  pass: String,
+  key: String,
+  level: String,
+  location: String,
+  device_name: String
+});
+
+export default mongoose.model('user', UserSchema);