Webworld docs: move gameinfo documentation to their world folders and copy them for webhost use. (#455)

worlds/spire/docs/en_Slay the Spire.md

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+# Slay the Spire (PC)
+
+## Where is the settings page?
+
+The [player settings page for this game](../player-settings) contains all the options you need to configure and export a
+config file.
+
+## What does randomization do to this game?
+
+Every non-boss relic drop, every boss relic and rare card drop, and every other card draw is replaced with an
+archipelago item. In heart runs, the blue key is also disconnected from the Archipelago item, so you can gather both.
+
+## What items and locations get shuffled?
+
+15 card packs, 10 relics, and 3 boss relics and rare card drops are shuffled into the item pool and can be found at any
+location that would normally give you these items, except for card packs, which are found at every other normal enemy
+encounter.
+
+## Which items can be in another player's world?
+
+Any of the items which can be shuffled may also be placed into another player's world. It is possible to choose to limit
+certain items to your own world.
+
+## When the player receives an item, what happens?
+
+When the player receives an item, you will see the counter in the top right corner with the Archipelago symbol increment
+by one. By clicking on this icon, it'll open a menu that lists all the items you received, but have not yet accepted.
+You can take any relics and card packs sent to you and add them to your current run. It is advised that you do not open
+this menu until you are outside an encounter or event to prevent the game from soft-locking.
+
+## What happens if a player dies in a run?
+
+When a player dies, they will be taken back to the main menu and will need to reconnect to start climbing the spire from
+the beginning, but they will have access to all the items ever sent to them in the Archipelago menu in the top right.
+Any items found in an earlier run will not be sent again if you encounter them in the same location.