fix: wrap Zen of Clawdbot in code block

Markdown was collapsing lines into single paragraph.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: joshp123

README.md

@@ -433,6 +433,7 @@ clawdinators/
 
 ### Zen of Clawdbot
 
+```
 Beautiful is better than ugly.
 Explicit is better than implicit.
 Simple is better than complex.
@@ -446,6 +447,7 @@ Errors should never pass silently.
 Unless explicitly silenced.
 In the face of ambiguity, refuse the temptation to guess.
 There should be one-- and preferably only one --obvious way to do it.
+```
 
 ---