Add Forge 1.20.1 HD 3D Skin Layers compatibility

forge/build.gradle

@@ -11,6 +11,7 @@ loom {
     forge {
         convertAccessWideners = true
         mixinConfig "skinsg.mixins.json"
+        mixinConfig "skinsg.skinlayers3d.mixins.json"
     }
 }
 
@@ -25,6 +26,8 @@ configurations {
 dependencies {
     forge "net.minecraftforge:forge:${rootProject.forge_version}"
     modApi "dev.architectury:architectury-forge:${rootProject.architectury_api_version}"
+    modCompileOnly "maven.modrinth:3dskinlayers:BBnR3V86"
+    modLocalRuntime "maven.modrinth:3dskinlayers:BBnR3V86"
 
     common(project(path: ":common", configuration: "namedElements")) { transitive false }
     shadowBundle project(path: ":common", configuration: "transformProductionForge")