feat: Add ability to inspect build information and features at runtime

Also re-adds ability to inspect used features

src/api/mod.rs

@@ -3,6 +3,9 @@
 
 extern crate conduwuit_core as conduwuit;
 extern crate conduwuit_service as service;
+
+conduwuit_macros::introspect_crate! {}
+
 pub mod client;
 pub mod router;
 pub mod server;