config.nvim/lua/plugins/treesitter.lua

require'nvim-treesitter.configs'.setup {
    ensure_installed = {"lua"}, -- one of "all", "maintained" (parsers with maintainers), or a list of languages
    highlight = {
        enable = true, -- false will disable the whole extension
        -- Setting this to true will run `:h syntax` and tree-sitter at the same time.
        -- Set this to `true` if you depend on 'syntax' being enabled (like for indentation).
        -- Using this option may slow down your editor, and you may see some duplicate highlights.
        -- Instead of true it can also be a list of languages
        additional_vim_regex_highlighting = true,
        use_languagetree = true
    },
    indent = {enable = true}
}