fix(markdown): ordered list's indent must have 4 spaces

- f8024eb24d/docs/demo/quickref.md (lists)
- fix table syntax

source/_posts/hexo-blog-github.md

@@ -89,6 +89,7 @@ $ git push -u
 8.  If there is no error, the generated website can be accessed on <b>*username*.github.io</b>
 
 ## Writing
+
 1. Create a new post (using Hexo)
 
 ``` bash

source/_posts/how-to-remove-windows-10-default-apps.md

@@ -55,6 +55,7 @@ For example to remove 3D Builder,
   Get-AppxPackage *3dbuilder* | Remove-AppxPackage
   ```
 
+
 App name | Package name
 --- | ---
 3D Builder | 3dbuilder
@@ -85,6 +86,7 @@ Wallet | wallet
 Weather | bingweather
 Xbox | xboxapp
 Your Phone | yourphone
+
 ¹ These are *not* the time and date view you get at the bottom right. Safe to remove.
 ² This is a full-screen/[UWP](https://en.wikipedia.org/wiki/Universal_Windows_Platform_apps) image viewer. Safe to remove.
 ³ You might need it. Safe to remove if you don't.