Add settings API for managing active Oscar year

Co-authored-by: mathieumoran1 <[email protected]>

models/Setting.js

@@ -0,0 +1,14 @@
+const mongoose = require("mongoose");
+
+// Simple key/value store for global site settings.
+// We currently use it for the "active Oscar year" that drives filtering.
+const settingSchema = new mongoose.Schema(
+  {
+    key: { type: String, required: true, unique: true, index: true },
+    value: { type: mongoose.Schema.Types.Mixed, required: true },
+  },
+  { timestamps: true }
+);
+
+module.exports = mongoose.model("Setting", settingSchema);
+