* add hit error bar to the visualizer, mimicking osu!'s hit error bar
* add judgment indicators for misses, 50s, and 100s (small red, blue, and green circles below the relevant hitobject respectively)
* add misses, 50s, and 100s of a replay to the events table
* tint missed hitobjects red
* add setting to enable or disable hit error bar
* add links to score and beatmap on replay info sidebar
* add `Visualizersave_as_image` method to grab an image of the current state of the visualizer