Migrated init.lua into plugin files

AppData/Local/nvim/lua/plugins/markdown-preview.lua

@@ -0,0 +1,28 @@
+return {
+  {
+    'iamcco/markdown-preview.nvim',
+    cmd = { 'MarkdownPreviewToggle', 'MarkdownPreview', 'MarkdownPreviewStop' },
+    ft = { 'markdown' },
+    build = function(plugin)
+      if vim.fn.executable 'npx' then
+        vim.cmd('!cd ' .. plugin.dir .. ' && cd app && npx --yes yarn install')
+      else
+        vim.cmd [[Lazy load markdown-preview.nvim]]
+        vim.fn['mkdp#util#install']()
+      end
+    end,
+    init = function()
+      if vim.fn.executable 'npx' then
+        vim.g.mkdp_filetypes = { 'markdown' }
+      end
+    end,
+    keys = {
+      {
+        '<leader>cp',
+        ft = 'markdown',
+        '<cmd>MarkdownPreviewToggle<cr>',
+        desc = 'Markdown Preview',
+      },
+    },
+  },
+}