Implement more options and fix general bugs

[bdlukaa]

• fix: Compress AppImage output to gzip. This fixes the issue when building the AppImage;
• feat: Improves the error message when a user tries to add a <3.0.0 server (Fixes Improve error messages when it fails to add a server. #218);
• feat: Implemented localizations for the entire Settings screen;
• feat: Implemented more user options:
  • close app when downloading; and
  • differentiate events colors;
  • timeline initial point;
  • camera refresh period;
  • auto reload timeout streams;