Loopino v0.9.0 released

This release focuses on workflow improvements, clearer signal routing,=20
and new creative options.

### New Features

- **Drag & Drop Processing Chains**
 =C2=A0 - Filter and Machine chains can now be reordered via drag and drop
 =C2=A0 - Machine chain changes trigger a full key cache rebuild
 =C2=A0 - Filter chain changes apply immediately in real time

- **Reverse Sample Playback**
 =C2=A0 - Samples can now be played in reverse
 =C2=A0 - Fully integrated into the existing voice and filter pipeline

- **New Machine: Vintage (TimeMachine)**
 =C2=A0 - A new offline machine focused on temporal character and colorati=
on
 =C2=A0 - Operates during key cache generation
 =C2=A0 - Designed for non-destructive experimentation with timing and fee=
l

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### Architecture & Workflow

- Clear separation between **offline machines** and **real-time filters**
- Deterministic signal flow from sample =E2=86=92 machine =E2=86=92 key ca=
che =E2=86=92 voices =E2=86=92=20
filters
- Improved internal consistency and predictability

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### Documentation

- Added a new [**Loopino=20
Wiki**](https://github.com/brummer10/Loopino/wiki/User-Documentation)
- User-facing documentation covering:
 =C2=A0 - Sample loading and destructive trimming
 =C2=A0 - Machines vs Filters
 =C2=A0 - Signal flow and processing stages
- Documentation aims to be precise, technical, and transparent

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### Notes

- Existing projects remain compatible

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Project Page:

https://github.com/brummer10/Loopino

Release Page:

https://github.com/brummer10/Loopino/releases/tag/v0.9.0

As always, feedback is welcome.