add proper logging

mobile-v2/lib/domain/interfaces/log.interface.dart

@@ -6,6 +6,15 @@ abstract class ILogRepository {
   /// Fetches all logs
   FutureOr<List<LogMessage>> fetchLogs();
 
+  /// Inserts a new log into the DB
+  FutureOr<bool> add(LogMessage log);
+
+  /// Bulk insert logs into DB
+  FutureOr<bool> addAll(List<LogMessage> log);
+
+  /// Clears all logs
+  FutureOr<bool> clear();
+
   /// Truncates the logs to the most recent [limit]. Defaults to recent 250 logs
   FutureOr<void> truncateLogs({int limit = 250});
 }