Build with zig (#431)

* build with Zig

Add the necessary files to build a static library with Zig.
The build also includes producing execuable that can be cross-compiled

Signed-off-by: inge4pres <fgualazzi@gmail.com>

* ci: add zig build workflow

Signed-off-by: inge4pres <fgualazzi@gmail.com>

* build(zig): aarch64 macros on Linux

* CI: split zig build by platform

Signed-off-by: inge4pres <fgualazzi@gmail.com>

* CI: release script updates version in build.zig.zon

Signed-off-by: inge4pres <fgualazzi@gmail.com>

---------

Signed-off-by: inge4pres <fgualazzi@gmail.com>

.github/workflows/amd64_linux_zig.yml

@@ -0,0 +1,21 @@
+name: amd64 Linux Zig
+
+on: [push, pull_request]
+
+jobs:
+  run:
+    strategy:
+      matrix:
+        target:
+          - x86_64-linux-musl
+          - x86_64-linux-gnu
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v5
+      - uses: mlugg/setup-zig@v2
+        with:
+          version: latest
+      - name: Build
+        run: zig build -Dtarget=${{ matrix.target }}
+      - name: Run list_cpu_features
+        run: ./zig-out/bin/list_cpu_features --json