Merge branch 'post-model' into dev

Models/BlogPost.cs

@@ -0,0 +1,21 @@
+using MongoDB.Bson;
+using MongoDB.Bson.Serialization.Attributes;
+
+namespace backend.Models;
+
+public class BlogPost
+{
+    [BsonId]
+    [BsonRepresentation(BsonType.ObjectId)]
+    public string? Id { get; set; }
+
+    public string AuthorId { get; set; }
+    public string Title { get; set; }
+    public string Content { get; set; }
+
+    //Meta data
+    [BsonRepresentation(BsonType.DateTime)]
+    public DateTime CreatedAt { get; set; }
+
+    [BsonRepresentation(BsonType.Array)] public List<string> Tags { get; set; }
+}