Config Sync

[mworzala]

It would be nice to support automatic synchronization of:

• options.txt
• resourcepacks
• servers.dat
• saves?

I see three plausible ways to do it:

1. Symlink them from somewhere (client may have issues with this, need to test)
2. Whenever the profile is launched, sync the relevant files (this may be all thats necessary if the client does not watch for changes)
3. Run a background process to sync the files on change (eg launchd on macOS)