docs: new module doc header

ba664964 · João Magalhães · 4dbef324 · ba664964
Verified Commit ba664964 authored 9 months ago by João Magalhães
--- a/src/consts.rs
+++ b/src/consts.rs
+//! Game Boy specific hardware constants.
+
 // Timer registers
 pub const DIV_ADDR: u16 = 0xff04;
 pub const TIMA_ADDR: u16 = 0xff05;