Add CMake preset and VSCode support

[kelteseth]

With this we are now able to open this project in VSCode and QtCreator and other IDEs that support CMakePresets. No laborious setup required.

https://github.com/asmaloney/GDExtensionTemplate/assets/1071536/06d26ecb-ab8c-4e46-af21-008774eb8916

• Add launch.json can can be further edited to also launch godot editor
• Add tasks.json for the build step. This can also be used in combination with TaskRunner https://marketplace.visualstudio.com/items?itemName=SanaAjani.taskrunnercode for on click tasks (like formatting or custom deploy scripts). I use this extensivly in ScreenPlay see https://gitlab.com/kelteseth/ScreenPlay/-/blob/master/.vscode/tasks.json?ref_type=heads
• Add godot.natvis for better debugger support
• Add extensions.json that recommends cmake and cpp support for now. We maybe should also add godot related extentions here.

This is a MVP MR. We easily can add more features like VCPKG support with a few lines.

[kelteseth]

Are you willing to answer questions/fix this stuff when it breaks? 😄

Sure! I'm away for the weekend so I will report back Sunday 👍

[kelteseth]

Ready :)

[asmaloney]

This still looks like it's build/launch only for debug.

Don't we need build presets and launch targets for release builds too?

[kelteseth]

I'm currently on vacation for the next two weeks, I will look into it afterwards :)

[asmaloney]

No problem at all. Have an amazing break!

[kelteseth]

This can still be improved. I'm currently using an altered version for my personal project ScreenPlay (Godot desktop wallpaper) here https://gitlab.com/kelteseth/ScreenPlay/-/merge_requests/108

For example, not sure if we need the launch.json because there is nothing to launch when running the project, because this only compiles the library. This still can be altered to include the Godot editor to start the project.

Also in ScreenPlay I embed the project and explicitly set the build folder to my Godot project