madgwick
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Madgwick's orientation filter
So i implemented the Madgwick filter using the example "madgwick" from the f3 crate and i am receiving the Quaternions, the issue is that the Quaternion values dont change much...
Switches from `m` to [`micromath`] for mathematical operations, and uses the latter's `F32x3` vector type as well as its `Quaternion` type (which was vendored from this crate). I'm using `micromath`...
(depends on https://github.com/japaric/madgwick/pull/5 )
m is deprecated.
The filter should work with `f64` and fixed point numbers (cf. [`fpa`](https://github.com/japaric/fpa))
This is covered in the internal report but hasn't been implemented yet.