✨ Show time duration in stats modal

Signed-off-by: RafaelWO <[email protected]>

src/memray/reporters/templates/base.html

@@ -98,6 +98,7 @@ <h5 class="modal-title" id="statsModalLabel">Memray run stats</h5>
           Command line: <code>{{ metadata.command_line }}</code><br>
           Start time: <span id="stats-start-time"> {{ metadata.start_time }}</span><br>
           End time: <span id="stats-end-time"> {{ metadata.end_time }}</span><br>
+          Duration: {{ metadata.end_time - metadata.start_time }}<br>
           Total number of allocations: {{ metadata.total_allocations }}<br>
           Total number of frames seen: {{ metadata.total_frames }}<br>
           Peak memory usage: {{ metadata.peak_memory | filesizeformat(true) }}<br>