Link from each page to its history of edits

Author: akkartik

build/layout.html

@@ -18,6 +18,7 @@
           <span>Edit This Page</span>
           <img width="14" height="13" src="/edit.svg" alt="">
         </a>
+        <a href="https://github.com/futureofcoding/wiki/commits/main/{{path}}">History of This Page</a>
         <a href="/all">All Pages</a>
         <a href="/search">Search</a>
       </nav>