docs: update Standard section — your repository becomes your agent

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: shreyas-lyzr

README.md

@@ -23,7 +23,7 @@ Every AI framework has its own structure. There's no universal, portable way to
 
 ## The Standard
 
-A gitagent is a git repo with a specific file structure. This **is** the standard — everything else (CLI, adapters, patterns) builds on top of it.
+Your repository becomes your agent. Drop these files into any git repo and it becomes a portable, framework-agnostic agent definition — everything else (CLI, adapters, patterns) builds on top of it.
 
 ```
 my-agent/