replaced peek with markdown preview

lua/plugins/markdown-preview.lua

@@ -0,0 +1,19 @@
+return {
+  'iamcco/markdown-preview.nvim',
+  cmd = {
+    'MarkdownPreviewToggle',
+    'MarkdownPreview',
+    'MarkdownPreviewStop'
+  },
+  branch = 'master',
+  ft = { 'markdown' },
+  build = function()
+    vim.fn['mkdp#util#install']()
+  end,
+  init = function ()
+    vim.g.mkdp_auto_close = 0
+    vim.g.mkdp_auto_start = 1
+    vim.g.mkdp_combine_preview = 1
+    vim.g.mkdp_combine_preview_auto_refresh = 1
+  end
+}

lua/plugins/peek.lua

@@ -1,12 +0,0 @@
-return {
-  'toppair/peek.nvim',
-  build = 'deno task --quiet build:fast',
-  config = function()
-    require('peek').setup({
-      app = 'webview',
-    })
-    vim.api.nvim_create_user_command('PeekOpen', require('peek').open, {})
-    vim.api.nvim_create_user_command('PeekClose', require('peek').close, {})
-  end,
-  cmd = { 'PeekOpen', 'PeekOpen' }
-}