Enable OpenTofu

[brahayan-dev]

Currently Doom has support for Terraform, but the open source alternative is OpenTofu.
The documentation of OpenTofu LSP points out to setup on Eglot:

(set-eglot-client! '(terraform-mode :language-id "opentofu") '("tofu-ls" "serve"))

Can we do the same with LSP Mode? If not, can we realize to doom doctor that OpenTofu is Terraform?