There's also: Script Copy BB Plugin Files to Reaper Project Folder
Right Click Save Link Target As

Reaper > Options > Show REAPER resource path...
Copy DSY_copy files to project folder v1.0.lua to Scripts or Scripts\ReaTrak

In Reaper menu Actions > Show Action List > New Action > Load ReaScript...

point it to DSY_copy files to project folder v1.0.lua and open
do the same for all scripts.

DSY_copy files to project folder v1.0.lua
DSY_copy files to project folder copy wav.lua
DSY_copy files to project folder copy peaks.lua

the last 2 scripts should be the ones to use, test them out and see if they work for you.