nvim/lua/lsp/null_ls_sources.lua

local null_ls = require "null-ls"
local cspell = require "cspell"
return {
    cspell.code_actions,
    null_ls.builtins.code_actions.gitsigns,

    cspell.diagnostics,

    null_ls.builtins.formatting.alejandra,
    null_ls.builtins.formatting.autoflake,
    null_ls.builtins.formatting.beautysh,
    null_ls.builtins.formatting.black,
    null_ls.builtins.formatting.fixjson,
    -- null_ls.builtins.formatting.fprettify,
    null_ls.builtins.formatting.isort,
    null_ls.builtins.formatting.mdformat,
    -- null_ls.builtins.formatting.nixfmt,
    -- null_ls.builtins.formatting.nixpkgs_fmt,
    null_ls.builtins.formatting.shellharden,
    null_ls.builtins.formatting.stylua,

    null_ls.builtins.hover.dictionary,
}