Implement multiverse plugin hook

platforms/bukkit/common/build.gradle.kts

@@ -1,5 +1,8 @@
 repositories {
-
+    maven {
+        name = "onarandombox"
+        url = uri("https://repo.onarandombox.com/content/groups/public/")
+    }
 }
 
 dependencies {
@@ -7,6 +10,8 @@ dependencies {
 
     compileOnly("io.papermc.paper", "paper-api", Versions.Bukkit.paper)
 
+    compileOnly("org.mvplugins.multiverse.core", "multiverse-core", "5.0.0")
+
     shadedApi("io.papermc", "paperlib", Versions.Bukkit.paperLib)
 
     shadedApi("com.google.guava", "guava", Versions.Libraries.Internal.guava)