kickstart.nvim/lua/custom/plugins/markdown-preview.lua

-- return {
--   'iamcco/markdown-preview.nvim',
--   cmd = { 'MarkdownPreviewToggle', 'MarkdownPreview', 'MarkdownPreviewStop' },
--   ft = { 'markdown' },
--   build = function()
--     vim.fn['mkdp#util#install']()
--   end,
-- }

-- install with yarn or npm
return {
  'iamcco/markdown-preview.nvim',
  cmd = { 'MarkdownPreviewToggle', 'MarkdownPreview', 'MarkdownPreviewStop' },
  build = 'cd app && npm install',
  init = function()
    vim.g.mkdp_filetypes = { 'markdown' }
  end,
  ft = { 'markdown' },
}