message: Added mod count to tabs
diff: <p class="menu-label">Mods</p>
  <ul class="menu-list">
  <li>
  - <a @click="view = 'installed'; searchFilter = ''" :class="[view === 'installed' ? 'is-active' : '']"><i class="fas fa-folder"/>&nbsp;&nbsp;Installed</a>
  + <a @click="view = 'installed'; searchFilter = ''" :class="[view === 'installed' ? 'is-active' : '']"><i class="fas fa-folder"/>&nbsp;&nbsp;Installed ({{localModList.length}})</a>
  <ul v-if="view === 'installed'">
  <li><input v-model='searchFilter' class="input" type="text" placeholder="Search mods"/></li>
  </ul>
  </li>
  <li>
  - <a @click="view = 'online'; searchFilter = ''" :class="[view === 'online' ? 'is-active' : '']"><i class="fas fa-globe"/>&nbsp;&nbsp;Online</a>
  + <a @click="view = 'online'; searchFilter = ''" :class="[view === 'online' ? 'is-active' : '']"><i class="fas fa-globe"/>&nbsp;&nbsp;Online ({{thunderstoreModList.length}})</a>
  <ul v-if="view === 'online'">
  <li><a class='button' @click="openThunderstoreSortingModal()">Sort</a></li>
  <li class='is-size-7'>&nbsp;</li>
  