Server Template Hooking

Hey all!

Straight to the point, I believe there should be additional data available in the Guild Create gateway event describing which server template it was created with.

This data would include both the Guild ID and other information, obviously none that are privacy infringing.

One prime use case is to automatically allow for bot settings to be migrated from the template. One thing I find quite annoying with setting up a new Discord server is configuring all the bots. Once developers are given this tool, it'll allow for settings to be copied over exactly, preventing configuration errors and easing the creation process.

I'm sure there are other great use cases for this tool and that people can make great things with it!

Feedback and adjustments are welcome, have a good day everyone!