Fix Windows stack overflow by increasing stack size to 8MB

Windows has a 1MB default stack size vs 8MB on Linux/macOS.
The AllBeads CLI with many subcommands causes stack overflow on Windows.

This adds linker flags to increase the stack to 8MB on Windows builds.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: thrashr888

.cargo/config.toml

@@ -0,0 +1,9 @@
+# Cargo configuration for AllBeads
+
+# Increase stack size on Windows (default 1MB is too small for complex CLI)
+# AllBeads CLI has many subcommands which causes stack overflow on Windows
+[target.x86_64-pc-windows-msvc]
+rustflags = ["-C", "link-args=/STACK:8388608"]
+
+[target.x86_64-pc-windows-gnu]
+rustflags = ["-C", "link-args=-Wl,--stack,8388608"]