Indicate how to check for firmware version in Rust README example

README.md

@@ -112,6 +112,9 @@ use tele0592::controller::{Controller, Device};
 fn main() -> anyhow::Result<()> {
     // Initialize the motor driver
     let mut controller = I2c::with_bus(8)?;
+    
+    // Check that the controller runs a firmware compatible with this API
+    controller.check_firmware_version()?;
 
     // Set the auto shutdown timeout to 4 seconds
     controller.set_motor_shutdown_timeout(Duration::from_secs(4.0))?;