feat: artifacts

Co-Authored-By: Andrew Tait Gehrhardt <134739775+atgehrhardt@users.noreply.github.com>

src/lib/stores/index.ts

@@ -45,6 +45,7 @@ export const showChangelog = writable(false);
 
 export const showControls = writable(false);
 export const showOverview = writable(false);
+export const showArtifacts = writable(false);
 export const showCallOverlay = writable(false);
 
 export const temporaryChatEnabled = writable(false);