Update README 

feat: Various updates Update Docker images. Include websockify in image to avoid pulling it at containter startup. Game context manager fixes. Add missing spawner options. Add context manager and minor tweaks. Remove magic value for fetch state timeout. Create improved tests. Disable state recording by default. Update ra2yrptoto. Remove unused code. Set some methods to private. Change exception scope in mainloop. Update documentation.

chore: Add test data 

Initial version