v2: prepare to move

v2/docs/highlight.md

@@ -0,0 +1,44 @@
+---
+id: highlight
+title: Syntax highlighting demo
+---
+
+```cpp
+#include<bits/stdc++.h>
+using namespace std;
+
+int main() {
+    cout << "Hello world\n";
+    return 0;
+}
+
+```
+
+```cpp
+#include <iostream>
+using namespace std;
+
+int main()
+{
+  int n, i;
+  bool isPrime = true;
+
+  cout << "Enter a positive integer: ";
+  cin >> n;
+
+  for(i = 2; i <= n / 2; ++i)
+  {
+      if(n % i == 0)
+      {
+          isPrime = false;
+          break;
+      }
+  }
+  if (isPrime)
+      cout << "This is a prime number";
+  else
+      cout << "This is not a prime number";
+
+  return 0;
+}
+```