chore: add new formula porter

Signed-off-by: Ruihua Wen <spiffyeight77@gmail.com>

Formula/p/porter.rb

@@ -0,0 +1,24 @@
+class Porter < Formula
+  desc "Porter enables you to package your application artifact, client tools, configuration and deployment logic together as an installer that you can distribute, and install with a single command."
+  homepage "https://porter.sh"
+  url "https://github.com/SpiffyEight77/porter/archive/refs/tags/v1.0.17.1.tar.gz"
+  sha256 "2139036410612d28a455575066101aa9fcc0e231048d5b7b5c295ba207efd0ff"
+  license "Apache-2.0"
+  head "https://github.com/getporter/porter.git", branch: "main"
+
+  depends_on "go" => :build
+
+  def install
+    system "go", "run", "mage.go", "-v", "Build"
+
+    bin.install "bin/porter"
+
+    generate_completions_from_executable(bin/"porter", "completion")
+  end
+
+  test do
+    assert_predicate bin/"porter", :exist?, "porter binary doesn't exist"
+
+    assert_match "porter v1.0.17.1 (4157be0)", shell_output("#{bin}/porter version")
+  end
+end