Adds reload sound effects for small-caliber handguns

[DoctorBoomstick]

This PR adds four sound effects, as well as their associated JSON, to cover reloads for .22 Long rifle, .32 ACP, and .380 ACP-calibre pistols. The Makarov and Kel-tech PF9 have also been included, as they’re fairly small enough to fall into the category of pocket handguns. All sounds were made in-house courtesy of an over-70-year-old Beretta M1934, one beaten magazine, and a few equally beaten snap-caps, and, while not identical to the manual of arms that would be used with each pistol covered here, I feel that it’s representative enough considering that we don’t track different sounds for if the player’s doing a tactical reload or loading in a fresh magazine.

As with #82 and #83, these sounds haven’t been tested in the game as I am blind, and the sound-pack capable builds of the game aren’t usable for blind users.

[DoctorBoomstick]

@Fris0uman, thanks for pointing out the issue with the file paths. Sorry to ask, but I got a comment on the dev discord to the effect that the sounds are very sharp and could do with further tweaking. I personally don’t think that they’re too on the nose, and I, myself, quite like how sharp they are, though if you agree that they’re too keen, I’ll pass them through some filtering and EQ tweeks.

[Fris0uman]

2,3 and 4 are maybe a bit loud, and 1 would be enough. But let me test how it feels in game

[Fris0uman]

I lowered the volume a bit through json, and I think it's good now

[DoctorBoomstick]

I lowered the volume a bit through json, and I think it's good now

   Thanks for testing them out and tweeking the volumes through JSON; sorry that I couldn’t do that part myself.