docs: update install in readme

Author: heldtogether

README.md

@@ -24,7 +24,8 @@
 ### ✅ Install
 
 ```
-go install github.com/heldtogether/rorsch@latest
+brew tap heldtogether/tools
+brew install rorsch
 ```
 
 Or clone and build:
@@ -35,6 +36,8 @@ cd rorsch
 go build -o rorsch ./cmd/rorsch
 ```
 
+Or download from https://github.com/heldtogether/rorsch/releases/. 
+
 ---
 
 ### ▶️ Run it