fix assembly build

build.sbt

@@ -3,3 +3,12 @@ name := "ffxivbis"
 scalaVersion := "2.13.1"
 
 scalacOptions ++= Seq("-deprecation", "-feature")
+
+assemblyMergeStrategy in assembly := {
+  case PathList("META-INF", xs @ _*) => MergeStrategy.discard
+  case "application.conf" => MergeStrategy.concat
+  case "module-info.class" => MergeStrategy.first
+  case x =>
+    val oldStrategy = (assemblyMergeStrategy in assembly).value
+    oldStrategy(x)
+}