Ban module inception, this is annoying.

@zxq5 thoughts?

libk/src/lib.rs

@@ -11,6 +11,8 @@
     rustdoc::missing_errors_doc,
     rustdoc::missing_panics_doc
 )]
+#![deny(clippy::module_inception)]
+
 // alloc
 // io : serial, framebuffer, ascii(?), keyboard
 // ?????