v4.0.0

[compare changes](https://github.com/shader-effects-inc/shaders/compare/v3.2.475...v4.0.0)

### Features

- Add docs-manifest for documentation generation on the dotcom site ([#2](https://github.com/shader-effects-inc/shaders/pull/2))
- Default all shape effects to spheres ([#3](https://github.com/shader-effects-inc/shaders/pull/3))
- Added the "Sparkle" stylize effect ([#6](https://github.com/shader-effects-inc/shaders/pull/6))

### Fixes

- Update default shape presets to use `sphere3D` in the JS package ([#5](https://github.com/shader-effects-inc/shaders/pull/5))

### Documentation

- Revamp README with detailed usage, framework examples, and Pro features ([#4](https://github.com/shader-effects-inc/shaders/pull/4))
- Add essential community and contribution guidelines ([#7](https://github.com/shader-effects-inc/shaders/pull/7))

### Contributors

- Simon Le Marchant ([@marchantweb](https://github.com/marchantweb))