Assuming you have "customanims" by _Jennie_ here is the file location to drag and drop the YCD files.

mods\update\x64\dlcpacks\customanims\dlc.rpf\x64\anim\ingame\clip_mp_.rpf


And the to put in FavouriteAnims.XML
<Anim dict="anim@lookatme" name="lookatme_clip" />
<Anim dict="anim@stoic" name="stoic_clip" />
<Anim dict="anim@swapping" name="swapping_clip" />
<Anim dict="anim@tacrunone" name="tacrunone_clip" />
<Anim dict="anim@victorysit" name="victorysit_clip" />
<Anim dict="anim@whattac" name="whattac_clip" />
<Anim dict="anim@tchold" name="tchold_clip" />
<Anim dict="anim@posett" name="posett_clip" />

