ci: add homebrew publishing to goreleaser

Author: eiri

.goreleaser.yaml

@@ -43,3 +43,16 @@ changelog:
       order: 2
     - title: Others
       order: 999
+brews:
+  - name: taon
+    tap:
+      owner: eiri
+      name: homebrew-tap
+    commit_author:
+      name: eiri
+      email: eiri@eiri.ca
+    commit_msg_template: "Brew formula update for {{ .ProjectName }} version {{ .Tag }}"
+    folder: Formula
+    homepage: "https://github.com/eiri/taon"
+    description: "Transform JSON into ASCII table."
+    license: "MIT"