feat: Initial commit of backend services and AGENTS.md

backend/models/Event.js

@@ -0,0 +1,33 @@
+const mongoose = require("mongoose");
+
+const EventSchema = new mongoose.Schema(
+  {
+    title: {
+      type: String,
+      required: true,
+    },
+    description: {
+      type: String,
+      required: true,
+    },
+    date: {
+      type: Date,
+      required: true,
+    },
+    location: {
+      type: String,
+      required: true,
+    },
+    participants: [
+      {
+        type: mongoose.Schema.Types.ObjectId,
+        ref: "User",
+      },
+    ],
+  },
+  {
+    timestamps: true,
+  },
+);
+
+module.exports = mongoose.model("Event", EventSchema);