rename 'convention' package to 'conventions'

gradle-plugins/factorio-gradle/settings.gradle.kts

@@ -0,0 +1,20 @@
+@file:Suppress("UnstableApiUsage")
+
+rootProject.name = "factorio-mod-manager"
+
+pluginManagement {
+  @Suppress("UnstableApiUsage")
+  includeBuild("../settings-plugins/")
+}
+
+plugins {
+  id("kafkatorio.conventions.settings.repositories")
+}
+
+dependencyResolutionManagement {
+  versionCatalogs {
+    create("libs") {
+      from(files("../../gradle/libs.versions.toml"))
+    }
+  }
+}