slightly improve ai stats

templates/aistats.html

@@ -2,6 +2,16 @@
 
 {% block main_content %}
 <h3>Basic AI stats</h3>
+    <table class="table table-striped table-sm">
+    <tbody><thead class="thead-light"><tr><th>What</th><th>Amount</th></tr></thead>
+        <tr><td>Files with a face</td><td>{{fstats['files_with_a_face']}}</td></tr>
+        <tr><td>Files with a matched face</td><td>{{fstats['files_with_a_match']}}</td></tr>
+        <tr><td>Files with missing matches</td><td>{{fstats['files_with_missing_matches']}}</td></tr>
+        <tr><td>All faces found</td><td>{{fstats['all_faces']}}</td></tr>
+        <tr><td>All faces matched</td><td>{{fstats['all_matched_faces']}}</td></tr>
+        <tr><td>All faces unmatched</td><td>{{fstats['all_unmatched_faces']}}</td></tr>
+    </tbody></table>
+
     <table class="table table-striped table-sm">
     <tbody><thead class="thead-light"><tr><th>Person (tag)</th><th>Number of files matched</th></thead>
     {% for s in stats %}