chore: Reorganize file tree for easier onboarding. Rust project now at the root for simple git clone && cargo run

opnsense-config-xml/src/data/mod.rs

@@ -0,0 +1,10 @@
+mod caddy;
+mod dhcpd;
+mod haproxy;
+mod interfaces;
+mod opnsense;
+pub use caddy::*;
+pub use dhcpd::*;
+pub use haproxy::*;
+pub use interfaces::*;
+pub use opnsense::*;