Add the debug lab 01 placeholder

website/lab/01/index.md

website/lab/02/images/button-bounce.png

website/lab/02/images/explorerbase_pinout.webp

website/lab/02/images/gpio_ctrl_register.png

website/lab/02/images/gpio_mux.png

website/lab/02/images/gpio_pad_ctrl_1.png

website/lab/02/images/gpio_pad_ctrl_2.png

website/lab/02/images/gpio_pad_registers.png

website/lab/02/images/gpio_status_ctrl.png

website/lab/02/images/objdump.png

website/lab/02/images/pico-pinout.svg

website/lab/02/images/pin_functions.png

website/lab/02/images/register.png

website/lab/02/images/reset_registers.png

website/lab/02/images/reset_reset.png

website/lab/02/images/reset_reset_done.png

website/lab/02/images/reset_vector_missing_error.png

website/lab/02/images/rust_embedded_stack.svg

website/lab/02/images/sio_registers.png

website/lab/02/images/usage.png