fix: exclude graphify-out from Biome linting

Generated HTML and JSON in graphify-out/ was triggering lint errors.

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

biome.json

@@ -14,7 +14,8 @@
 			"!drizzle-pg",
 			"!.planning",
 			"!.superpowers",
-			"!.claude"
+			"!.claude",
+			"!graphify-out"
 		]
 	},
 	"formatter": {