feat: add build:test script and improve documentation code blocks

- Added a new script `build:test` to generate test cases from documentation code examples.
- Enhanced documentation files by ensuring proper code block formatting and adding missing closing backticks.
- Updated various markdown files to include new code blocks and fixed formatting issues.

packages/artplayer-vitepress/docs/en/start/i18n.md

@@ -98,4 +98,5 @@ var art = new Artplayer({
             Play: 'Your Play'
         },
     },
-});
+});
+```

packages/artplayer-vitepress/docs/en/start/option.md

@@ -268,6 +268,8 @@ var art = new Artplayer({
     autoSize: true,
 });
 
+```
+
 ## `autoMini`
 
 -   Type: `Boolean`
@@ -532,6 +534,8 @@ var art = new Artplayer({
     setting: true,
 });
 
+```
+
 ## `miniProgressBar`
 
 -   Type: `Boolean`
@@ -742,6 +746,8 @@ var art = new Artplayer({
     ],
 });
 
+```
+
 :::warning For `Component Configuration`, please refer to:
 
 [/component/controls.html](/component/controls.html)
@@ -943,6 +949,8 @@ var art = new Artplayer({
     },
 });
 
+```
+
 ## `icons`
 
 -   Type: `Object`
@@ -1243,4 +1251,5 @@ var art = new Artplayer({
     container: '.artplayer-app',
     url: '/assets/sample/video.mp4',
     proxy: () => document.createElement('video')
-});
+});
+```