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/help-dialog.hpp

@@ -8,6 +8,7 @@ void help_dialog_show(const char *local_ip, const char *external_ip,
 		      const char *version, const char *locale);
 
 void update_dialog_show(const char *new_version, const char *locale);
+void forced_update_show(const char *new_version, const char *locale);
 
 #ifdef __cplusplus
 }