build: multi-arch publish targets using cargo-zigbuild (no Docker needed)

- Replace cross with cargo-zigbuild for Linux/Windows cross-compilation
- Update publish-cli: all 5 archs (macOS ARM64/x86_64, Linux ARM64/x86_64, Windows x86_64)
- Update publish-python: maturin 1.12.3 with --zig --compatibility manylinux2014
  - 4 Python versions (3.10-3.13) x 2 Linux archs
  - macOS ARM64/x86_64 auto-detected
  - Windows gracefully skipped (dll linking not supported cross)
  - PyPI upload with --username __token__
- Update publish-node: cargo zigbuild for Linux ARM64/x86_64
- Add publish-brew: gen-formula.sh with local SHA256 fallback
- Add scripts/gen-formula.sh: Homebrew formula generator with local file SHA256
- Add Formula/edgeparse.rb: initial Homebrew formula for v0.1.1

Author: raphaelmansuy

Formula/edgeparse.rb

@@ -0,0 +1,26 @@
+# Auto-generated by `make publish-brew` — do not edit manually.
+class Edgeparse < Formula
+  desc "High-performance PDF-to-Markdown/JSON extraction engine (Rust)"
+  homepage "https://github.com/raphaelmansuy/edgeparse"
+  version "0.1.1"
+  license "Apache-2.0"
+
+  on_macos do
+    on_arm do
+      url "https://github.com/raphaelmansuy/edgeparse/releases/download/v0.1.1/edgeparse-0.1.1-aarch64-apple-darwin.tar.gz"
+      sha256 "2da6be1c032b2a75361c09874411a8df392d8120457220bf5ee81fe37ff08a4c"
+    end
+    on_intel do
+      url "https://github.com/raphaelmansuy/edgeparse/releases/download/v0.1.1/edgeparse-0.1.1-x86_64-apple-darwin.tar.gz"
+      sha256 "e503a07b225f58a4b8d8fa35e78ac5f0d5e845cf18ca760292b274df29c810fb"
+    end
+  end
+
+  def install
+    bin.install "edgeparse"
+  end
+
+  test do
+    assert_match version.to_s, shell_output("#{bin}/edgeparse --version")
+  end
+end