Feature: add GitHub Actions workflow for publishing Arch Linux AUR package

PKGBUILD

@@ -0,0 +1,50 @@
+# Maintainer: razvandimescu <razvan@dimescu.com>
+pkgname=numa-git
+_pkgname=numa
+pkgver=0.9.1.r0.g1234abc # Updated by pkgver()
+pkgrel=1
+pkgdesc="Portable DNS resolver in Rust — .numa local domains, ad blocking, developer overrides, DNS-over-HTTPS"
+arch=('x86_64' 'aarch64')
+url="https://github.com/razvandimescu/numa"
+license=('MIT')
+depends=('gcc-libs' 'glibc')
+makedepends=('cargo' 'git')
+provides=("$_pkgname")
+conflicts=("$_pkgname")
+source=("$_pkgname::git+$url.git")
+sha256sums=('SKIP')
+
+pkgver() {
+  cd "$_pkgname"
+  git describe --long --tags | sed 's/\([^-]*-g\)/r\1/;s/-/./g' | sed 's/^v//'
+}
+
+prepare() {
+  cd "$_pkgname"
+  export RUSTUP_TOOLCHAIN=stable
+  cargo fetch --locked
+}
+
+build() {
+  cd "$_pkgname"
+  export RUSTUP_TOOLCHAIN=stable
+  cargo build --frozen --release
+}
+
+check() {
+  cd "$_pkgname"
+  export RUSTUP_TOOLCHAIN=stable
+  cargo test --frozen
+}
+
+package() {
+  cd "$_pkgname"
+  install -Dm755 "target/release/$_pkgname" "$pkgdir/usr/bin/$_pkgname"
+  
+  # Install service file with patched path
+  sed 's|/usr/local/bin/numa|/usr/bin/numa|g' numa.service > numa.service.patched
+  install -Dm644 "numa.service.patched" "$pkgdir/usr/lib/systemd/system/numa.service"
+  
+  install -Dm644 "numa.toml" "$pkgdir/etc/numa.toml"
+  install -Dm644 "LICENSE" "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
+}