Removed NioTSO client and server

- NioTSO client isn't needed because we're using RayLib
- Added FreeSO's API server to handle most backend operations

server/FSO.Server.Database/DA/Bulletin/DbBulletinPost.cs

@@ -0,0 +1,29 @@
+namespace FSO.Server.Database.DA.Bulletin
+{
+    public class DbBulletinPost
+    {
+        public uint bulletin_id { get; set; }
+        public int neighborhood_id { get; set; }
+        public uint? avatar_id { get; set; }
+        public string title { get; set; }
+        public string body { get; set; }
+        public uint date { get; set; }
+        public uint flags { get; set; }
+        public int? lot_id { get; set; }
+        public DbBulletinType type { get; set; }
+        public byte deleted { get; set; }
+
+        public string string_type { get
+            {
+                return type.ToString();
+            }
+        }
+    }
+
+    public enum DbBulletinType
+    {
+        mayor,
+        system,
+        community
+    }
+}