kaldera 0.1.0

Lightweight 3D renderer powered by Vulkan
# Kaldera
(WIP) Lightweight realtime physically based renderer with Vulkan, written in Rust

## Requirements
- Rust 1.42.0 or above
- Vulkan 1.2 or above
- X Window System (libxcb)
- Vulkan Beta Drivers (to run with ray-tracing feature)

Kaldera uses some Vulkan beta features such as `VK_KHR_ray_tracing` extension. See https://developer.nvidia.com/vulkan-driver for the installation guide.