Universal binaries for macOS (#159)

A special format that contains both arm64 and amd64 executables in a single file

.goreleaser.yml

@@ -20,6 +20,8 @@ archives:
     windows: Windows
     386: i386
     amd64: x86_64
+universal_binaries:
+  - replace: false
 checksum:
   name_template: 'checksums.txt'
 snapshot:

releasing.md

@@ -26,3 +26,11 @@ Then:
 ```bash
 GITHUB_TOKEN=xxx goreleaser --rm-dist
 ```
+
+## Testing
+
+To test and verify changes to Go Releaser config, use the following:
+
+```bash
+goreleaser --snapshot --skip-publish --rm-dist
+```