feat: also include the version and timestamp at the top of the index page: #1354

Author: nedbat

coverage/htmlfiles/index.html

@@ -55,6 +55,11 @@ <h1>{{ title|escape }}:
         <form id="filter_container">
             <input id="filter" type="text" value="" placeholder="filter..." />
         </form>
+
+        <p>
+            <a class="nav" href="{{__url__}}">coverage.py v{{__version__}}</a>,
+            created at {{ time_stamp }}
+        </p>
     </div>
 </header>