Suggestion - Input from AlexXsWx and LetaaIi

[TwoAbove]

https://discord.com/channels/453998283174576133/626180507323072512/1145807245368627221

oh just noticed the footer in noitool says I can dm @TwoAbove here :) so here we go -

• There are 21 shifts, not 20 (see https://discord.com/channels/453998283174576133/626180507323072512/1144592255840170144, or the playlist I linked few minutes ago for a proof)
  Would be very nice to have an index/number of shift next to the shift, like in <https://cr4xy.dev/noita/?seed=1 >- helps a lot when planning shifts across ng+ loops

• Would be also nice to have button right/left for NG+ loops (or even display shifts of ng+ parallel to each other, that would be superb since I had to make this picture on my own https://cdn.discordapp.com/attachments/626180507323072512/1144802354391158824/noita-2023aug26-shift-plan.png)

• ... or at the very least, functioning seed up/down (at the moment you can't use up/down button since after submitting seed the input field gets cleared, so +1 becomes just 1 instead of your seed + 1)

• And a way to check if a seed has output material somewhere in fungal shifts (including ng+ loops) - e.g. in my use-case I was starting new game until I found a seed with urine in ng+6 / shift#9

• also you could add gate boss and alchemist boss loot to the page, the only variables in it are pw number and seed while you are getting suggestions I might as well throw that in