change how the order of spells is saved and rendered

[FloppyDisco]

add an "order": prop to the Page json, that dictates what order all the spells are displayed in.

remove "order" from the spells:

[FloppyDisco]

adding a new spell will need to add the spell to the "order" property of the page as well

[FloppyDisco]

create a method to get the keybinding for the current page. check how it is being done in the orderPrompt