led_driver memory

[ArisMorgens]

This PR exposes the led_driver memory for the LED ring deck and should be merged after this rust-lib PR is merged.

It is also affected by #4.

[Copilot]

Pull request overview

This PR adds Python-facing support for writing LED ring colors by exposing the Crazyflie “LED driver” memory via the existing Memory subsystem, enabling easy per-LED color/intensity updates (e.g., for the LED ring deck).

Changes:

• Introduces a new LedRingColor Python class (Rust #[pyclass]) and exports it through the Rust/Python module surface.
• Adds Memory.write_led_ring() async method to write exactly 12 LED values to LED driver memory.
• Adds a new examples/led_ring.py demonstrating usage, and updates Python re-exports + type stubs.

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
rust/src/subsystems/mod.rs	Re-exports LedRingColor from the memory subsystem.
rust/src/subsystems/memory.rs	Adds LedRingColor and Memory.write_led_ring() binding.
rust/src/lib.rs	Registers LedRingColor with the _rust Python module.
examples/led_ring.py	New example showing how to set individual LEDs and write to the ring.
cflib2/memory.py	Re-exports LedRingColor from the Rust extension module.
cflib2/_rust.pyi	Updates generated stubs for LedRingColor and Memory.write_led_ring().

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[gemenerik]

Nice work!