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>

core/bc/bc.toml

@@ -0,0 +1,19 @@
+[package]
+name = "bc"
+version = "7.0.3"
+description = "Arbitrary precision calculator"
+url = "https://git.gavinhoward.com/gavin/bc"
+license = "BSD-2-Clause"
+
+[source]
+url = "https://github.com/gavinhoward/bc/releases/download/${version}/bc-${version}.tar.xz"
+sha256 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+
+[dependencies]
+run = ["glibc", "readline"]
+build = ["gcc", "make"]
+
+[build]
+configure = """./configure --prefix=/usr -O3 -r"""
+make = """make"""
+install = """make DESTDIR=${PKG} install"""