fix: fixed weird issues with querying routes

this just involved a better understanding of the data
types provided by libnl and some refactoring to make querying
as a user of the libnl library easier

examples/secure-image/Dockerfile

@@ -1,3 +1,6 @@
+# secure-image Dockerfile
+# Used to represent a "secure" computer which has a firewall in place
+#
 # Copyright (C) 2023 Andrew Rioux
 # 
 # This program is free software: you can redistribute it and/or modify

examples/secure-image/setup.sh

@@ -1,4 +1,6 @@
 #!/bin/sh
+# Setup for the secure image which will set firewall rules
+# 
 # Copyright (C) 2023 Andrew Rioux
 # 
 # This program is free software: you can redistribute it and/or modify