Armourer's Workshop

Add skinning table setting dialog (1.16-1.21)

Add advanced skin save options (1.16-1.21)

Add server auth code encrypt mode (1.16-1.21)

Add skin database fallback options (1.16-1.21)

Add skin database keep alive checker (1.16-1.21)

Fix place skin library block crash (1.21)

Fix jei (v19) compatibile issue (1.21)

Fix rei (v12) compatibile issue (1.16-1.21)

NOTE: 1.16 requires java 16 now.