Use a module instead of include!

Modules are better understood by rust-analyzer compared to macros
expansion, and we can still use the same bindgen script and lint attrs.

ctru-sys/src/lib.rs

@@ -1,7 +1,9 @@
-#![allow(non_upper_case_globals)]
-#![allow(non_camel_case_types)]
-#![allow(non_snake_case)]
-#![allow(clippy::all)]
 #![no_std]
 
-include!("bindings.rs");
+#[allow(non_upper_case_globals)]
+#[allow(non_camel_case_types)]
+#[allow(non_snake_case)]
+#[allow(clippy::all)]
+mod bindings;
+
+pub use bindings::*;