feat: add awk-language-server

[lilibyte]

without handling workspace/workspaceFolders the server crashes at start: server_request: no handler found for workspace/workspaceFolders

[lithammer]

You need to format the code with Stylua and there's some commit messege errors (e.g. you need to wrap the body to not exceed 100 chars).

[mjlbach]

I renamed the server to awk_ls following our naming conventions and addressed the lint issues.