Currently flags are being added to test if they can be supported. This is not supposed to be a hub of existing flags, rather a procedural generation engine to create new ones. Supporting the many types of existing flag helps build a feature rich flag generator.
General purpose issue for tracking flag addition/modification. Flag specifications can be found in this spreadsheet: https://docs.google.com/spreadsheets/d/1nQNx4RzOzKzWSoALMEL4KPYdg0Ry2ys1c7DHztaiJvg/edit#gid=0
Currently flags are being added to test if they can be supported. This is not supposed to be a hub of existing flags, rather a procedural generation engine to create new ones. Supporting the many types of existing flag helps build a feature rich flag generator.