release script + doc

.gitignore

@@ -1,2 +1,3 @@
 config.yaml
-mirror-github*
+github-mirror*
+SHA256SUMS

README.md

@@ -29,7 +29,7 @@ EOF
 ```
 
 ```sh
-./mirror-github config.yaml
+./github-mirror config.yaml
 ```
 
 ## In a crontab

release.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+set -xe
+test -n "$1"
+
+GOOS=darwin GOARCH=amd64 go build -o github-mirror-darwin-amd64-$1
+GOOS=linux GOARCH=amd64 go build -o github-mirror-linux-amd64-$1
+GOOS=linux GOARCH=arm64 go build -o github-mirror-linux-arm64-$1
+GOOS=linux GOARCH=arm go build -o github-mirror-linux-arm-$1
+shasum -a 256 github-mirror-* > SHA256SUMS