Add binaries

Makefile

@@ -1,3 +1,21 @@
+UNAME := $(shell uname)
+
 .PHONY: build
 build:
 	go build -ldflags "-w -s" -o build/yubihsm-parse-attestation .
+
+.PHONY: build-xp
+build-xp:
+	GOOS=darwin GOARCH=amd64 go build -ldflags "-w -s" -o build/yubihsm-parse-attestation_darwin_amd64
+	GOOS=darwin GOARCH=arm64 go build -ldflags "-w -s" -o build/yubihsm-parse-attestation_darwin_arm64
+	GOOS=linux GOARCH=amd64 go build -ldflags "-w -s" -o build/yubihsm-parse-attestation_linux_amd64
+	GOOS=linux GOARCH=arm64 go build -ldflags "-w -s" -o build/yubihsm-parse-attestation_linux_arm64
+	GOOS=windows GOARCH=amd64 go build -ldflags "-w -s" -o build/yubihsm-parse-attestation_windows_amd64.exe
+
+.PHONY: release
+release: build-xp
+ifeq ($(UNAME), Darwin)
+	cd build && shasum -a 256 yubihsm-parse-attestation_*64* > sha256sums
+else
+	cd build && sha256sum yubihsm-parse-attestation_*64* > sha256sums
+endif

README.md

@@ -9,6 +9,8 @@ Parses the custom extensions on YubiHSM 2 attestation certificates and displays
 
 ## Installation
 
+Binaries are available on the [Releases](https://github.com/YubicoLabs/yubihsm-parse-attestation/releases) page. You can also install from source using the command below.
+
 ```
 go install github.com/YubicoLabs/yubihsm-parse-attestation@latest
 ```

main.go

@@ -4,7 +4,7 @@
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 
-// 	http://www.apache.org/licenses/LICENSE-2.0
+// http://www.apache.org/licenses/LICENSE-2.0
 
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,