use fabric loom in common project

common/build.gradle

@@ -1,26 +1,28 @@
 plugins {
     id 'multiloader-common'
-    id 'net.neoforged.moddev'
-}
-
-neoForge {
-    neoFormVersion = neo_form_version
-    // Automatically enable AccessTransformers if the file exists
-    def at = file('src/main/resources/META-INF/accesstransformer.cfg')
-    if (at.exists()) {
-        accessTransformers.add(at.absolutePath)
-    }
-    
-    parchment {
-        minecraftVersion = parchment_minecraft
-        mappingsVersion = parchment_version
-    }
+    id 'fabric-loom'
 }
 
 dependencies {
+    minecraft "com.mojang:minecraft:${minecraft_version}"
+    mappings loom.layered {
+        officialMojangMappings()
+        parchment("org.parchmentmc.data:parchment-${parchment_minecraft}:${parchment_version}@zip")
+    }
     compileOnly group: 'org.spongepowered', name: 'mixin', version: '0.8.5'
 }
 
+loom {
+    def aw = project.file("src/main/resources/${mod_id}.accesswidener")
+    if (aw.exists()) {
+        accessWidenerPath.set(aw)
+    }
+    
+    mixin {
+        useLegacyMixinAp = false
+    }
+}
+
 configurations {
     commonJava {
         canBeResolved = false