feat: Normalize IMU data and use buffers for IMU's#612
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This PR does a major overhaul of how IMU data is managed across every aspect of InputPlumber. - All source device drivers now normalize IMU data into radians per second for gyroscope data and meters per second squared for accelerometer data. - All target devices now denormalize Accelerometer and Gyroscope events into their native format (typically LSB). - The iio_imu source device driver now configures a buffer and follows an asynchronous drain/refill pattern to create events. This reduces CPU and RAM overhead by reducing the number of reads per event from 3-6 to 1. This also has the benefit of reducing jitter when using iio_imu based devices as the entire event is now based on a single timestamp, when the old method had significant drift during each poll. - Removes deprecated Gamepad::Accelerometer and Gamepad:Gyro events.
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This PR does a major overhaul of how IMU data is managed across every aspect of InputPlumber.