nvim-lua.kickstart.nvim/lua/plugins/vimtex.lua

return {
  {
    'lervag/vimtex',
    -- lazy = false,
    init = function()
      -- VimTeX configuration goes here, e.g.
      vim.g.vimtex_view_general_viewer = 'okular'
      vim.g.vimtex_compiler_method = 'latexmk'
    end,
  },
}