Initial commit: DarkForge package repository (124 packages)

Package definitions for the complete DarkForge Linux system:
- core/  (67): base system, toolchain, kernel, utilities, dev tools
- extra/ (26): libraries, frameworks, drivers (nvidia-open, pipewire, mesa)
- desktop/ (19): Wayland stack, dwl compositor, terminals, applications
- gaming/ (12): Steam, Wine, Proton, gamemode, mangohud, PrismLauncher

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

extra/vulkan-headers/vulkan-headers.toml

@@ -0,0 +1,20 @@
+[package]
+name = "vulkan-headers"
+version = "1.4.320"
+description = "Vulkan API header files"
+url = "https://github.com/KhronosGroup/Vulkan-Headers"
+license = "Apache-2.0"
+
+[source]
+url = "https://github.com/KhronosGroup/Vulkan-Headers/archive/v${version}/Vulkan-Headers-${version}.tar.gz"
+sha256 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+
+[dependencies]
+run = []
+build = ["cmake", "ninja"]
+
+[build]
+system = "cmake"
+configure = """cmake -B build -G Ninja -DCMAKE_INSTALL_PREFIX=/usr"""
+make = """ninja -C build"""
+install = """DESTDIR=${PKG} ninja -C build install"""