weapon_effects.xml needs finishing

[weapon_effects.xml](https://github.com/CaveStoryModdingCommunity/FreewareHacks/blob/main/XML%20(BL%20Hackinator%20or%20BPP)/hacks/misc%20editors/weapon_effects.xml) can be finished with adding the "modes" that some Caret IDs use as well as a [link](https://docs.google.com/spreadsheets/d/12iC9uRGNZ2MnrhpS4s_KvIRYHhC56mPXCnCcsDjxit0/edit#gid=2140444301) or table of IDs so people know what this is.