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>

gaming/sdl2/sdl2.toml

@@ -0,0 +1,20 @@
+[package]
+name = "sdl2"
+version = "2.32.4"
+description = "Simple DirectMedia Layer 2"
+url = "https://www.libsdl.org/"
+license = "Zlib"
+
+[source]
+url = "https://github.com/libsdl-org/SDL/releases/download/release-${version}/SDL2-${version}.tar.gz"
+sha256 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+
+[dependencies]
+run = ["glibc", "wayland", "wayland-protocols", "libdrm", "libxkbcommon"]
+build = ["gcc", "cmake", "ninja", "pkg-config"]
+
+[build]
+system = "cmake"
+configure = """cmake -B build -G Ninja -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_BUILD_TYPE=Release -DSDL_WAYLAND=ON -DSDL_X11=ON -DSDL_VULKAN=ON -DSDL_PULSEAUDIO=OFF -DSDL_PIPEWIRE=ON"""
+make = """ninja -C build"""
+install = """DESTDIR=${PKG} ninja -C build install"""