Tutorial to Use OTC in TFS main

On Dec 20, 2024, this PR https://github.com/otland/forgottenserver/pull/4870 was added, so no modifications to the client are required. If your server is not updated, do the following:

First go to:

/modules/game_features/features.lua

1. Search for this code:

g_game.enableFeature(GameSequencedPackets)

And then change it:

g_game.disableFeature(GameSequencedPackets)