COVIDSafe code from version 1.8 (#15)

CovidSafe/BLELogRecord.swift

@@ -0,0 +1,23 @@
+//
+//  BLELogRecord.swift
+//  CovidSafe
+//
+//  Copyright © 2020 Australian Government. All rights reserved.
+//
+
+import Foundation
+
+
+struct BLELogRecord: Encodable {
+    var timestamp: Date?
+    var msg: String?
+
+    mutating func update(msg: String) {
+        self.msg = msg
+    }
+    
+    init(message: String) {
+        self.timestamp = Date()
+        self.msg = message
+    }
+}