build: disable mixin platform

platforms/mixin-common/build.gradle.kts.disabled

@@ -0,0 +1,29 @@
+plugins {
+    id("dev.architectury.loom") version Versions.Mod.architecuryLoom
+    id("architectury-plugin") version Versions.Mod.architecturyPlugin
+}
+
+loom {
+    accessWidenerPath.set(file("src/main/resources/terra.accesswidener"))
+
+    mixin {
+        defaultRefmapName.set("terra.common.refmap.json")
+    }
+}
+
+dependencies {
+    shadedApi(project(":common:implementation:base"))
+
+    compileOnly("net.fabricmc:sponge-mixin:${Versions.Mod.mixin}")
+    annotationProcessor("net.fabricmc:sponge-mixin:${Versions.Mod.mixin}")
+    annotationProcessor("dev.architectury:architectury-loom:${Versions.Mod.architecuryLoom}")
+
+    minecraft("com.mojang:minecraft:${Versions.Mod.minecraft}")
+    mappings("net.fabricmc:yarn:${Versions.Mod.yarn}:v2")
+}
+
+architectury {
+    common("fabric")
+    minecraft = Versions.Mod.minecraft
+}
+