More product setup

AobaCore/AobaService.cs

@@ -0,0 +1,19 @@
+using AobaV2.Models;
+
+using MaybeError;
+
+using MongoDB.Bson;
+using MongoDB.Driver;
+
+namespace AobaCore;
+
+public class AobaService(IMongoDatabase db)
+{
+	private readonly IMongoCollection<Media> _media = db.GetCollection<Media>("media");
+
+
+	public async Task<Media?> GetMediaAsync(ObjectId id)
+	{
+		return await _media.Find(m => m.Id == id).FirstOrDefaultAsync();
+	}
+}