SpringBoot Correct external application properties load order

It seems the documentation is showing the wrong order for configuration properties.

The correct order judging from ConfigDataEnvironment and the remainder of the documentation is:

        locations.add(ConfigDataLocation.of("optional:classpath:/"));
        locations.add(ConfigDataLocation.of("optional:classpath:/config/"));
        locations.add(ConfigDataLocation.of("optional:file:./"));
        locations.add(ConfigDataLocation.of("optional:file:./config/*/"));
        locations.add(ConfigDataLocation.of("optional:file:./config/"));

But the documentation states the subdirectories of ./config are loaded last. I have corrected this and added 'in the current directory' to make sure everyone understands which subdirectories are meant.

I have not verified this is actually the correct loading order, but the code seems clear enough to me.

Comment From: philwebb

Thanks for the PR @MikeN123. After some discussion we think it would be better to change the code rather than the docs. I've opened #24308 to deal with that.