feat: add PF links

ChatTwo/Util/Payloads.cs

@@ -0,0 +1,21 @@
+using Dalamud.Game.Text.SeStringHandling;
+
+namespace ChatTwo.Util;
+
+internal class PartyFinderPayload : Payload {
+    public override PayloadType Type => (PayloadType) 0x50;
+
+    internal uint Id { get; }
+
+    internal PartyFinderPayload(uint id) {
+        this.Id = id;
+    }
+
+    protected override byte[] EncodeImpl() {
+        throw new NotImplementedException();
+    }
+
+    protected override void DecodeImpl(BinaryReader reader, long endOfStream) {
+        throw new NotImplementedException();
+    }
+}