Revert "chore: remove references to tap in favor of homebrew-core"

Author: drpebcak

README.md

@@ -14,7 +14,7 @@ Here are some sample use cases of GPTScript:
 ### Getting started
 MacOS and Linux (Homebrew):
 ```
-brew install gptscript 
+brew install gptscript-ai/tap/gptscript 
 gptscript github.com/gptscript-ai/llm-basics-demo
 ```
 

docs/docs/01-overview.md

@@ -22,7 +22,7 @@ Here are some sample use cases of GPTScript:
 <Tabs>
     <TabItem value="MacOS and Linux (Homebrew)">
     ```shell
-    brew install gptscript 
+    brew install gptscript-ai/tap/gptscript 
     gptscript github.com/gptscript-ai/llm-basics-demo
     ```
     </TabItem>