Bards using Instruments/Song(blade/bow) as Implements

[dracusmage]

Collection of files that adds instrument as an implement and makes it so bards can use them (regular bard and hybrid bard). I didn't include Skald, as that's not a scraped class. Reasonably easy to fix if you are using a Skald with a .user setup. Just open it as a text file, and add

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<tag group="ImplemType" tag="itInstru"/> under the wand one, and have the fixed Class.Bard.user file. I may also include Skald later, but I didn't want to co-opt other peoples' work too blithely.

Finally I also tagged all items that say that "Bards can use this item/weapon as an implement for..." with the instrument implement code, allowing bards to use them. Then I also repaired any item instruments to have all of the necessary damage/crit/etc stats so that they can all correctly be used by bards.