[Website Update] New System Member Guide + Minor Edits

[monsterqueers]

-crawls out of the winter sludge pit- WE LIVE

The update is exactly what it says on the tin! We found that existing guides were pretty lackluster, so we made our own.
Link: https://dragonsroost.neocities.org/essay/edu/newalter
Also did some minor typo and ARIA marker error edits.