libs/kaptan-drivers: add MPU6000 state machine

libs/kaptan-drivers/src/lib.rs

@@ -0,0 +1,10 @@
+//! Hardware-independent chip protocol drivers.
+//!
+//! Drivers express device register protocols and data conversion through small
+//! bus traits. MCU, pin, DMA, interrupt, and RTIC mechanics belong below this
+//! layer in a HAL or board adapter.
+
+#![no_std]
+
+/// InvenSense MPU6000 six-axis IMU driver.
+pub mod mpu6000;