Update to 1.21 with Cosmos

settings.gradle.kts

@@ -1,9 +1,20 @@
+import org.gradle.kotlin.dsl.maven
+
 rootProject.name = "AFKDetector"
 
 dependencyResolutionManagement {
     repositories {
         mavenCentral()
         maven("https://repo.destro.xyz/snapshots") // Altitude - Galaxy
+        maven("https://repo.alttd.com/repository/alttd-snapshot/")
+        maven {
+            name = "nexus"
+            url = uri("https://repo.alttd.com/repository/alttd-snapshot/")
+            credentials {
+                username = providers.gradleProperty("alttdSnapshotUsername").get()
+                password = providers.gradleProperty("alttdSnapshotPassword").get()
+            }
+        }
     }
     repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
 }