Added C&K PTS636Sx25SMTRLFS tacticle switch
requested to merge mampir/kicad-packages3D-source:SW_Tactile_SPST_NO_Straight_CK_PTS636Sx25SMTRLFS into master
I made this model using the following datasheet: https://www.ckswitches.com/media/2779/pts636.pdf