Glowing

Use Optifine/ConnectedTextureMod format let some things glow or emissive for vanilla.

Optifine Format	ConnectedTextureMod Format
1.21-OF
24w14potato-OF
1.20-OF
1.19-OF	1.19-CTM
1.18-OF	1.19-CTM
1.17-OF	1.17-CTM
1.16-OF	1.16-CTM
1.15-OF
1.14-OF
1.13-OF
1.12-OF
1.9-OF