test: add multi page

Author: azu

public/SECOND.md

@@ -0,0 +1,67 @@
+# Second Page
+
+<style>
+.markdown-section {
+    overflow: initial!important
+}
+.honkit-plugin-sandpack {
+    width: calc(100% + 200px);
+    margin: 0 0 0 -100px;
+    background: #EECE34;
+}
+</style>
+
+This is combination with CodeBlock.
+
+<!-- sandpack:{
+  "files": {
+    "/src/index.js": {
+      "path": "example1/index.js"
+    },
+    "/index.html": {
+      "path": "example1/index.html"
+    }
+  },
+  "entry": "/index.html",
+  "dependencies": {
+    "uuid": "latest"
+  }
+} -->
+
+```js
+document.querySelector("h1").style.color = "red";
+```
+
+Open editor at first.
+
+<!-- sandpack:{
+  "files": {
+    "/src/index.js": {
+      "prependCode": "import '/src/index.css'; // Hack to load index.css\n",
+      "path": "example2/src/index.js"
+    },
+    "/src/App.js": {
+      "path": "example2/src/App.js",
+      "active": true
+    },
+    "/src/index.css": {
+      "path": "example2/src/index.css",
+      "hidden": true
+    },
+    "/index.html": {
+      "path": "example2/index.html"
+    }
+  },
+  "entry": "/index.html",
+  "options": {
+    "showLineNumbers": true,
+    "showInlineErrors": true,
+    "wrapContent": false,
+    "editorHeight": 550,
+    "editorWidthPercentage": 60
+  },
+  "honkitSettings": {
+    "isOpen": true,
+    "hideExitButton": true
+  }
+} -->

public/SUMMARY.md

@@ -1,4 +1,5 @@
 # Summary
 
 * [Introduction](README.md)
+* [Second Page](SECOND.md)