Is there a detailed guide on adding sounds to the game, in particular to weapons? I honestly just don't understand how this works. I've managed to add a new weapon, it's tech and related projectiles, but I cannot fathom how I can "link" a sound effect to that particular weapon. I've checked a couple of mods and I don't really get it either. I understand that the sound "descriptions" stored in the category.txt, sound.txt and soundeffects.txt files, but linking these descriptions to the actual weapons does not seem to happen automatically like it does for icons for technologies, for example.