Add initial keyboard shortcut support.

tests/card-controller/actions/actions/unmute.test.ts

@@ -0,0 +1,26 @@
+import { expect, it, vi } from 'vitest';
+import { mock } from 'vitest-mock-extended';
+import { UnmuteAction } from '../../../../src/card-controller/actions/actions/unmute';
+import { FrigateCardMediaPlayer } from '../../../../src/types';
+import { createCardAPI, createMediaLoadedInfo } from '../../../test-utils';
+
+it('should handle unmute action', async () => {
+  const api = createCardAPI();
+  const player = mock<FrigateCardMediaPlayer>();
+  vi.mocked(api.getMediaLoadedInfoManager().get).mockReturnValue(
+    createMediaLoadedInfo({
+      player: player,
+    }),
+  );
+  const action = new UnmuteAction(
+    {},
+    {
+      action: 'fire-dom-event',
+      frigate_card_action: 'unmute',
+    },
+  );
+
+  await action.execute(api);
+
+  expect(player.unmute).toBeCalled();
+});