implement MC prios and trials no reserve

src/frontend/src/app/frontcraft/pages/rules/rules.component.html

                     <li>
                         Every week you can re-reserve the same item to build a streak on it
                     </li>
+                    <li>
+                        If an item was not reserved at all, players may roll according to their priority <br />(e.g. Mage has +1, Warlock has +2. Nobody reserved, only Warlocks roll.)
+                    </li>
                     <!--
                     <li>
                         Steaks are color coded. If this means anything will be decided by guild culture: