Clears the list of downloads after each fetch

It would keep appending the list to itself, not very useful

src/viddown.go

@@ -54,6 +54,7 @@ fetch("currentwork").then(response => {
         }).then(json => {
             parsed = JSON.parse(json)
             console.log(parsed);
+            document.getElementById("list").innerText = "";
             Object.entries(parsed).forEach(([key, value]) => {document.getElementById("list").innerText += value});
             if (json === "{}"){
             }