feat: Initialize website with VitePress and add documentation structure

- Added package.json for VitePress configuration and dependencies.
- Included hero logo and dark/light logos in SVG format.
- Created API reference documentation outlining public types and methods in Cocoar.Capabilities.
- Added examples demonstrating real-world usage patterns for capability composition.
- Documented configuration options for CapabilityScope, including usage examples.

feat: Add strongly-typed CapabilityScope<TOwner> and API consistency …

…improvements (#12)

Introduces generic scope with compile-time type safety, try-pattern methods,
and complete API parity between Owner and Anchors. Fully backward compatible.

Add version 1.1.0 entry to CHANGELOG with Owner and Anchors API details

v1.0.0 - Initial release