translate spanish strings:

    # game/choose_theme.rpy:274
    old "Could not change the theme. Perhaps options.rpy was changed too much."
    new "No se puede cambiar el tema. Quizás options.rpy ha sufrido muchos cambios."

    # game/choose_theme.rpy:332
    old "Display"
    new "Display"

    # game/choose_theme.rpy:333
    old "Window"
    new "Window"

    # game/choose_theme.rpy:334
    old "Fullscreen"
    new "Fullscreen"

    # game/choose_theme.rpy:335
    old "Planetarium"
    new "Planetarium"

    # game/choose_theme.rpy:342
    old "Sound Volume"
    new "Sound Volume"

    # game/choose_theme.rpy:376
    old "Choose Theme"
    new "Elegir Tema"

    # game/choose_theme.rpy:389
    old "Theme"
    new "Tema"

    # game/choose_theme.rpy:413
    old "Color Scheme"
    new "Combinación de colores"
