Add completions

app/views/contests/show.html.slim

@@ -11,7 +11,7 @@
         | Edit contest
 
 .row.mb-4
-  .col-sm-6
+  .col-8
     .row
       .col
         h4
@@ -33,21 +33,25 @@
       .col
         a.btn.btn-primary href=new_contest_puzzle_path(@contest)
           | Add puzzle
-  .col-sm-6
+  .col-4
     .row
       .col
         h4
           | Contestants
-    .row.row-cols-1.row-cols-md-3.g-4.mb-4
-      - @contestants.each do |contestant|
-        .col
-          css:
-            .card:hover { background-color: lightblue; }
-          .card.h-100
-            .card-header
-              = contestant.name
-            .card-body
-              a.stretched-link href=edit_contest_contestant_path(@contest, contestant)
+    table.table.table-striped.table-hover
+      thead
+        tr
+          th scope="col"
+            | Name
+          th scope="col"
+            | Completed puzzles
+      tbody
+        - @contestants.each do |contestant|
+          tr scope="row"
+            td
+              = link_to contestant.name, edit_contest_contestant_path(@contest, contestant)
+            td
+              = contestant.completions.length
     .row
       .col
         a.btn.btn-primary href=new_contest_contestant_path(@contest)