Add failure analyzer for incorrect pcap file

src/main/java/ru/serega6531/packmate/exception/PcapFileNotFoundException.java

@@ -0,0 +1,15 @@
+package ru.serega6531.packmate.exception;
+
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+
+import java.io.File;
+
+@EqualsAndHashCode(callSuper = true)
+@Data
+public class PcapFileNotFoundException extends RuntimeException {
+
+    private final File file;
+    private final File directory;
+
+}