DAP support

[bagel897]

https://github.com/mfussenegger/nvim-dap allows us to debug code inside of neovim. It'd be cool if we could automatically create configurations for competitive programming testcases (possibly by language) and maybe run those on failed cases.

[dchinmay2]

Cool idea - C/C++/Rust will have to use codelldb (to show data inside std containers). I'll start with C++ and Rust now, possibly Python later. Java seems complicated

[dchinmay2]

I completely forgot about this, I'll get to this in some time

[bagel897]

You might want to look into neotest, which would make this alot easier.