old configuration

lua/plugins/markdown-preview.lua

@@ -0,0 +1,11 @@
+return {
+    {
+        "iamcco/markdown-preview.nvim",
+        cmd = { "MarkdownPreviewToggle", "MarkdownPreview", "MarkdownPreviewStop" },
+        build = "cd app && yarn install",
+        init = function()
+            vim.g.mkdp_filetypes = { "markdown" }
+        end,
+        ft = { "markdown" },
+    },
+}