Initial simulator code commit

.eslintignore

.eslintrc.json

.gitattributes

.github/.OwlBot.lock.yaml

.github/.OwlBot.yaml

.github/CODEOWNERS

.github/ISSUE_TEMPLATE/bug_report.md

.github/ISSUE_TEMPLATE/config.yml

.github/ISSUE_TEMPLATE/feature_request.md

.github/ISSUE_TEMPLATE/question.md

.github/ISSUE_TEMPLATE/support_request.md

.github/PULL_REQUEST_TEMPLATE.md

.github/auto-approve.yml

.github/auto-label.yaml

.github/blunderbuss.yml

.github/generated-files-bot.yml

.github/release-please.yml

.github/release-trigger.yml

.github/sync-repo-settings.yaml

.github/workflows/ci.yaml