feat/add code smell

frontend/www/scripts/workout.js

@@ -41,14 +41,17 @@ async function retrieveWorkout(id) {
             let pathArray = file.file.split("/");
             a.text = pathArray[pathArray.length - 1];
             a.className = "me-2";
-            filesDiv.appendChild(a);
-
-            let isImage = ["jpg", "png", "gif", "jpeg"].includes(a.text.split(".")[1]);
-
+            let img
+            let isImage = ["jpg", "png", "gif", "jpeg", "JPG", "PNG", "GIF", "JPEG"].includes(a.text.split(".")[1]);
             if(isImage){ 
-                let img = document.createElement("img");
+                img = document.createElement("img");
                 img.src = file.file;
                 img.width = "500";
+            }
+
+            filesDiv.appendChild(a);
+
+            if(isImage){
                 filesDiv.appendChild(img);
             }
         }