admin: computing-pi: add T10

src/data/admin-data.json

@@ -450,6 +450,12 @@
         "text": "Make it so that if the user clicks on the average shown, they can toggle between seeing the average and the average multiplied by 4. When showing average, show the value of pi/4 below (instead of pi).",
         "done": false,
         "refId": "T9"
+      },
+      {
+        "id": "c614f5c8-dada-438d-96b2-87cf7ae59772",
+        "text": "Just below \"Click on any of the completed runs to view the full sequence.\", add the line \"Click on the average shown above to toggle between seeing the average and the average multiplied by 4).\"",
+        "done": false,
+        "refId": "T10"
       }
     ]
   }