Add copyright header to playgroundActivityTypes.ts#35

aubreyquinn merged 2 commits intousers/aubreyquinn/perplexity-playground-notificationsmicrosoft/Agent365-Samples:users/aubreyquinn/perplexity-playground-notificationsfrom

copilot/sub-pr-34microsoft/Agent365-Samples:copilot/sub-pr-34Copy head branch name to clipboard