feat: Initial commit of backend services and AGENTS.md

backend/models/Reward.js

@@ -0,0 +1,27 @@
+const mongoose = require("mongoose");
+
+const RewardSchema = new mongoose.Schema(
+  {
+    name: {
+      type: String,
+      required: true,
+    },
+    description: {
+      type: String,
+      required: true,
+    },
+    cost: {
+      type: Number,
+      required: true,
+    },
+    isPremium: {
+      type: Boolean,
+      default: false,
+    },
+  },
+  {
+    timestamps: true,
+  },
+);
+
+module.exports = mongoose.model("Reward", RewardSchema);