Add Alpine APK packaging and update CI for versioned releases

packaging/alpine/APKBUILD

@@ -0,0 +1,26 @@
+# Maintainer: Elias Kohout <elias@kohout.eu>
+pkgname=axolotl
+pkgver=0.1.0
+pkgrel=0
+pkgdesc="CLI-native issue tracker using SQLite"
+url="https://g.eliaskohout.de/eliaskohout/axolotl"
+arch="x86_64 aarch64"
+license="MIT"
+depends=""
+makedepends="go"
+source="$pkgname-$pkgver.tar.gz::https://g.eliaskohout.de/eliaskohout/axolotl/archive/$pkgver.tar.gz"
+
+export GOTOOLCHAIN=auto
+
+build() {
+	cd "$srcdir/src"
+	go build -ldflags="-s -w" -trimpath -o "$pkgname" .
+}
+
+package() {
+	install -Dm755 "$srcdir/src/$pkgname" "$pkgdir/usr/bin/$pkgname"
+	
+	ln -s "$pkgname" "$pkgdir/usr/bin/ax"
+}
+
+sha512sums=""