Add CHANGELOG.md for version 1.1.0; implement watermark feature and update check

- Introduced a mandatory update check on startup, disabling the plugin until updated.
- Added a watermark for free users, displaying "Easy IRL Stream - stools.cc" in the video.
- Fixed SSL connection errors by utilizing the Windows certificate store in API calls.
- Updated help dialog to include information about the watermark feature.

src/irl-source.c

@@ -115,6 +115,7 @@ static void *irl_source_create(obs_data_t *settings, obs_source_t *source)
 	data->video_stream_idx = -1;
 	data->audio_stream_idx = -1;
 	data->active = true;
+	data->show_watermark = true;
 
 	pthread_mutex_init(&data->mutex, NULL);