added possibility to add uri found in call history to contacts

app/src/main/kotlin/com/tutpro/baresip/HistoryRow.kt

@@ -1,6 +1,7 @@
 package com.tutpro.baresip
 
-class HistoryRow(val peerURI: String, val direction: Int, val time: String, val index: Int) {
+class HistoryRow(val peerURI: String, val peerDomain: String, val direction: Int, val time: String,
+                 val index: Int) {
 
     val directions = ArrayList<Int>()
     val indexes = ArrayList<Int>()