chore: ignore oh-my-opencode artifacts

Signed-off-by: Jérôme Benoit <jerome.benoit@piment-noir.org>

Author: jerome-benoit

.gitignore

@@ -217,10 +217,11 @@ $RECYCLE.BIN/
 # End of https://www.toptal.com/developers/gitignore/api/deno,visualstudiocode,intellij,linux,macos,windows
 
 deno.lock
+benchmark-report.json
 dist/browser/
 dist/esm/
 dist/LICENSE
 dist/README.md
 npm/
 coverage/
-benchmark-report.json
+.sisyphus/