Create files from Grasscutter-Quests

these files are NOT directly compatible with Grasscutter, and require additional modifications to the codebase to work.

src/main/java/emu/grasscutter/server/packet/send/PacketUnlockedHomeBgmNotify.java

@@ -0,0 +1,24 @@
+package emu.grasscutter.server.packet.send;
+
+import emu.grasscutter.game.player.Player;
+import emu.grasscutter.net.packet.BasePacket;
+import emu.grasscutter.net.packet.PacketOpcodes;
+import emu.grasscutter.net.proto.Unk2700LOHBMOKOPLHServerNotify;
+
+public class PacketUnlockedHomeBgmNotify extends BasePacket {
+    public PacketUnlockedHomeBgmNotify(Player player) {
+        super(PacketOpcodes.Unk2700_LOHBMOKOPLH_ServerNotify);
+
+        if (player.getRealmList() == null) {
+            return;
+        }
+
+        var unlocked = player.getHome().getUnlockedHomeBgmList();
+
+        var notify = Unk2700LOHBMOKOPLHServerNotify.Unk2700_LOHBMOKOPLH_ServerNotify.newBuilder()
+            .addAllUnk2700KMEKMNONMGE(unlocked)
+            .build();
+
+        this.setData(notify);
+    }
+}