chore: add a github workflow to build a musl binary

Author: cablehead

.github/workflows/build-musl.yml

@@ -0,0 +1,47 @@
+name: Build MUSL Binary
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - v* # Match version tags like v1.0.0
+  pull_request:
+    branches:
+      - main
+  workflow_dispatch:
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+    name: Build MUSL Binary
+    runs-on: ubuntu-latest
+    container:
+      image: rust:alpine
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install dependencies
+        run: |
+          apk add --no-cache musl-dev openssl-dev openssl-libs-static pkgconfig git build-base
+
+      - name: Build binary
+        env:
+          OPENSSL_STATIC: true
+          OPENSSL_LIB_DIR: /usr/lib
+          OPENSSL_INCLUDE_DIR: /usr/include
+        run: |
+          # Install target
+          rustup target add x86_64-unknown-linux-musl
+          # Build with MUSL target
+          cargo build --release --target x86_64-unknown-linux-musl
+
+      - name: Upload binary
+        uses: actions/upload-artifact@v4
+        with:
+          name: xs-musl-binary
+          path: target/x86_64-unknown-linux-musl/release/xs
+          if-no-files-found: error