Bcml

- Fixes permitting empty DLC folder
- Attempts to automatically detect game folders for Cemu users
- Fixes installing mods to storage dir on different drive than temp folder
- Fixes updater killing BCML when no update is available [Windows installer]
- Checks for updates on startup

- Fixes `FileNotFoundError` and `AttributeError` problems with shop merger
- Fixes folder validation
- Improve update BCML process

Hotfix for 3.0.2 not launching on Windows

Several miscellaneous bugfixes:
- Fixes text logs with mod options
- Fix helper binary permissions on Linux
- Fix readme typo
- Don't log empty shop diffs
- Fix folder state in BNP creator
- Deep clean SARCs when making partial packs
- More/revised progress messages
- Fix closing program during operations on Linux
- Fix checking for DLC mods
- Keep option folders list in sync

Fixes three problems with BNP options
- Correctly isolate options when logging modded files
- Properly check options set as default
- Fix Close button on option selection dialog

This is it, the big BCML 3.0 stable release. Here's the rundown on how it's different from 2.8:
- Switch support! Cemu is now optional: you can use BCML for Cemu, Wii U, or Switch equally.
- Merges *more stuff.* Experience fewer mod conflicts with 4 entirely new mergers.
- Better performance across the board.
- Brand new, much improved UI written in React.
- Tons of improvements, additions, and fixes to existing mergers.
- New in-app help and updater.
- Several new developer tools so that making mods can be helped as much as installing them.
- Mods can specify dependencies and include optional components.
- All kinds of other stuff!

*Changes from rc7*
- Fix save path for upgrading BNP
- Fix update directory references on Switch
- More error handling/details
- Adjust logging
- Fix hangups with options
- Adjustments to export process
- Update meta and help
- Fix loading for broken images
- Automatically grab meta where possible on BNP creation