Add link to watch history in preferences

src/invidious/views/preferences.ecr

@@ -166,6 +166,10 @@ function update_value(element) {
                 <a href="/subscription_manager">Manage subscriptions</a>
             </div>
 
+            <div class="pure-control-group">
+                <a href="/feed/history">Watch history</a>
+            </div>
+
             <div class="pure-control-group">
                 <a href="/delete_account?referer=<%= URI.escape(referer) %>">Delete account</a>
             </div>