Adds comment to text export

app/src/main/java/net/pokeranalytics/android/model/realm/handhistory/HandHistory.kt

@@ -240,6 +240,12 @@ open class HandHistory : RealmObject(), RowRepresentable, Identifiable, Filterab
 		string = string.plus(firstLineComponents.joinToString(" - "))
 		string = string.addLineReturn(2)
 
+		// Comment
+		this.comment?.let { comment ->
+			string = string.plus(comment)
+			string = string.addLineReturn(2)
+		}
+
 		// Players
 		this.playerSetups.sortedBy { it.position }.forEach {
 			string = string.plus(localizedPlayerSetup(it, positions, context))