Move aur package templates to .github/aur

Signed-off-by: Aurel Canciu <aurelcanciu@gmail.com>

.github/aur/flux-go/PKGBUILD.template

@@ -0,0 +1,43 @@
+# Maintainer: Aurel Canciu <aurelcanciu@gmail.com>
+# Maintainer: Hidde Beydals <hello@hidde.co>
+
+pkgname=flux-go
+pkgver=${PKGVER}
+pkgrel=${PKGREL}
+pkgdesc="Open and extensible continuous delivery solution for Kubernetes"
+url="https://fluxcd.io/"
+arch=("x86_64" "armv6h" "armv7h" "aarch64")
+license=("APACHE")
+provides=("flux-bin")
+conflicts=("flux-bin")
+replaces=("flux-cli")
+depends=("glibc")
+makedepends=("go")
+optdepends=("kubectl")
+source=(
+  "$pkgname-$pkgver.tar.gz::https://github.com/fluxcd/flux2/archive/v$pkgver.tar.gz"
+)
+sha256sums=(
+  ${SHA256SUM}
+)
+
+build() {
+  cd "flux2-$pkgver"
+  export CGO_LDFLAGS="$LDFLAGS"
+  export CGO_CFLAGS="$CFLAGS"
+  export CGO_CXXFLAGS="$CXXFLAGS"
+  export CGO_CPPFLAGS="$CPPFLAGS"
+  export GOFLAGS="-buildmode=pie -trimpath -ldflags=-linkmode=external -mod=readonly -modcacherw"
+  go build -ldflags "-X main.VERSION=$pkgver" -o flux-bin ./cmd/flux
+}
+
+check() {
+  cd "flux2-$pkgver"
+  make test
+}
+
+package() {
+  cd "flux2-$pkgver"
+  install -Dm755 flux-bin "$pkgdir/usr/bin/flux"
+  install -Dm644 LICENSE "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
+}