guidelines: boost: update search queries to array from string

Author: ashleyhindle

.ai/boost/core.blade.php

@@ -22,7 +22,7 @@
 - The 'search-docs' tool is perfect for all Laravel related packages, including Laravel, Inertia, Livewire, Pest, Nova, Nightwatch, etc.
 - You must use this tool to search for Laravel-ecosystem documentation before falling back to other approaches.
 - Search the documentation before making code changes to ensure we are taking the correct approach.
-- Use multiple, broad, simple, topic based queries to start. For example: `rate limiting##routing rate limiting##routing`.
+- Use multiple, broad, simple, topic based queries to start. For example: `['rate limiting', 'routing rate limiting', 'routing']`.
 
 ### Available Search Syntax
 - You can and should pass multiple queries at once. The most relevant results will be returned first.