Add viewer.html to gitignore

BirdInTheTree · BirdInTheTree · commit 8dbce50f398a · 2026-04-16T23:30:07.000+02:00
diff --git a/.gitignore b/.gitignore
@@ -60,3 +60,4 @@ runs/
 
 # Claude Code harness (local)
 .claude/
+viewer.html
