docs: add Homebrew install and release instructions

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Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: Doarakko

README.md

@@ -7,10 +7,19 @@ Draw Yu-Gi-Oh! Card.
 
 ## Install
 
-```
+go
+
+```sh
 go install github.com/Doarakko/draw@latest
 ```
 
+Homebrew
+
+```sh
+brew tap Doarakko/homebrew-tap
+brew install draw
+```
+
 ## Usage
 
 ```
@@ -24,6 +33,17 @@ draw
 - [Yu-Gi-Oh! API by YGOPRODeck](https://db.ygoprodeck.com/api-guide/)
 - [nyanko](https://github.com/mattn/nyanko)
 
+## Release
+
+```sh
+# 1. Create and push tag
+git tag v0.1.0
+git push origin v0.1.0
+
+# 2. Update homebrew-tap
+./scripts/update-homebrew.sh 0.1.0
+```
+
 ## License
 
 MIT