restore upstream cinny's light themes

[cyrneko]

Describe the problem

I don't quite like the two light theme options

Describe the solution you'd like

can we have the upstream ones too pls? 🥺

Alternatives considered

N/A

Additional context

N/A

[7w1]

Silver theme can easily be added, the light theme is embedded in their folds library so it might be a pain to extract don’t know.