Add a back button

src/imag/templates/upload.j2

@@ -82,7 +82,7 @@
                 <input type="file" accept="image/*" name="image" id="image" placeholder="the image" required />
 
                 <br />
-
+                <button onclick="history.back()">Back</button>
                 <button type="post">Post</button>
             </form>
         </div>