Add Peak in Insulin interface

app/src/main/java/info/nightscout/androidaps/plugins/insulin/InsulinOrefBasePlugin.kt

@@ -101,7 +101,7 @@ abstract class InsulinOrefBasePlugin(
             return comment
         }
 
-    abstract val peak: Int
+    override abstract val peak: Int
     abstract fun commentStandardText(): String
 
     companion object {

core/src/main/java/info/nightscout/androidaps/interfaces/Insulin.kt

@@ -27,6 +27,7 @@ interface Insulin : ConfigExportImport {
     val friendlyName: String
     val comment: String
     val dia: Double
+    val peak: Int
 
     fun iobCalcForTreatment(bolus: Bolus, time: Long, dia: Double): Iob