feat: show rayhunter version/os/arch in pcap, ndjson, qmdl manifest

Create a util mod to provide information about the rayhunter binary and
system.

lib/src/lib.rs

@@ -7,6 +7,7 @@ pub mod gsmtap;
 pub mod gsmtap_parser;
 pub mod pcap;
 pub mod analysis;
+pub mod util;
 
 // re-export telcom_parser, since we use its types in our API
 pub use telcom_parser;