For the sake of easier merging, it will be ideal to make your directory structures identical to the one that will be in place on the master branch. That structure is as follows.

(Note: Structure can change as we discover things about the game; this will be updated if so.)

[Root Koikatsu Folder]
	/BepInEx
		/Translation
			/Images
				/CharaStudio
					[Scenes + Dump TXTs]
						[Dumped Scenes]
							[Dumped Graphics]
				/Koikatu
					[Scenes + Dump TXTs]
						[Dumped Scenes]
							[Dumped Graphics]
			/scenario
				/[c* and op folders as appropriate]
					/00
						[*.csv]
			/Text
				/CharacterMaker
					CharacterMaker.txt
				/Downloader
					CardDownloader.txt
				/Global
					[Any global-stringed textfiles]
				/Options
					[Options menu textfiles]
				/Studio
					[Studio translation TXTs]
				/Uploader
					CardUploader.txt