Cache-bust data.json fetch with timestamp

index.html

@@ -63,7 +63,7 @@ tr:hover td { background: #f5f9ff; }
   <p class="footer" id="foot"></p>
 </div>
 <script>
-fetch('data.json').then(r=>r.json()).then(({meta, daily})=>{
+fetch('data.json?t='+Date.now()).then(r=>r.json()).then(({meta, daily})=>{
   const valid = daily.filter(d=>d.install>0);
   const totalInstall = valid.reduce((s,d)=>s+d.install,0);
   const totalSpend = valid.reduce((s,d)=>s+d.payable_spend,0);