---@brief --- --- https://github.com/digama0/mm0 --- --- Language Server for the metamath-zero theorem prover. --- --- Requires [mm0-rs](https://github.com/digama0/mm0/tree/master/mm0-rs) to be installed --- and available on the `PATH`. ---@type vim.lsp.Config return { cmd = { 'mm0-rs', 'server' }, root_markers = { '.git' }, filetypes = { 'metamath-zero' }, }