add tinygo 0.26

Formula/tinygo.rb

@@ -0,0 +1,29 @@
+class Tinygo < Formula
+    desc "TinyGo is a Go compiler for small places. Microcontrollers, WebAssembly, and command-line tools. Based on LLVM."
+    homepage "https://tinygo.org/"
+    version "0.26.0"
+
+    depends_on "binaryen"
+
+    if OS.mac?
+        url "https://github.com/tinygo-org/tinygo/releases/download/v#{version}/tinygo#{version}.darwin-amd64.tar.gz"
+        sha256 "1fcef807fd60dd93346c4bb94aa41b3f174b3fac223d692d148289a6fa70adc5"
+    elsif OS.linux?
+        url "https://github.com/tinygo-org/tinygo/releases/download/v#{version}/tinygo#{version}.linux-amd64.tar.gz"
+        sha256 "e7264b6f9b71d4caeee0c2f374c454e90e7b620aff6ab6fd5a938fb9d296b287"
+    end
+
+    def install
+        libexec.install "bin/tinygo"
+        (bin/"tinygo").write_env_script libexec/"tinygo",
+            :TINYGOROOT => prefix
+        lib.install Dir["lib/*"]
+        prefix.install "src"
+        prefix.install "targets"
+    end
+
+    test do
+        system "#{bin}/tinygo", "version"
+    end
+  end
+