implement restart game

src/App.svelte

@@ -3,6 +3,7 @@
 </script>
 
 <script>
+  import { onMount } from "svelte"
   const pole = 0
   const hole = 1
   const pick = 2
@@ -13,6 +14,12 @@
 
   let circles = []
   let playing = true
+  let bold = false
+
+  const restart = () => {
+    circles = []
+    playing = true
+    bold = false
 
     const numCircles = 15
     for (let i = 0; i < numCircles; i++) {
@@ -62,6 +69,7 @@
     jumps.addEdge(9, 11)
     jumps.addEdge(9, 14)
     jumps.addEdge(11, 14)
+  }
 
   const commonBetween = (a, b) =>
     adjcs.adjacencyList[a].filter(common =>
@@ -120,6 +128,7 @@
 
       if (hints.length == 0) {
         playing = false
+        bold = true
       }
 
       return
@@ -130,6 +139,8 @@
       clearDests()
     }
   }
+
+  onMount(() => restart())
 </script>
 
 <style>
@@ -212,13 +223,24 @@
     background-color: blue;
   }
 
+  .restart {
+    cursor: pointer;
+  }
+
   .playing {
     visibility: hidden;
   }
+
+  .bold {
+    font-weight: bold;
+  }
 </style>
 
 <main>
-  <div class:playing>GAME OVER</div>
+  <div>
+    <span class="restart" class:bold on:click={restart}>RESTART GAME</span>
+    <span class:playing> | GAME OVER</span>
+  </div>
   <div class="triangle">
     {#each circles as _, i}
       <div