Frontend updates and changes

- Remove items/runes separate pages, put everything into a "build" page.
- Show summoner spells.
- Add a build variant selector, that for now only selects runes

frontend/components/nav/SideBar.vue

@@ -10,7 +10,7 @@ const emit = defineEmits<{
   stateChange: [state: string, lane: number]
 }>()
 
-const state = ref('runes')
+const state = ref('build')
 const laneState = ref(0)
 
 function handleStateChange(newState: string, newLane: number) {
@@ -72,21 +72,12 @@ if (route.path.startsWith('/tierlist/')) {
 
       <h2
         :class="
-          'sidebar-link ' + (state == 'runes' && laneState == i ? 'sidebar-link-selected' : '')
+          'sidebar-link ' + (state == 'build' && laneState == i ? 'sidebar-link-selected' : '')
         "
         style="margin-top: 10px; font-size: 1.9rem; padding-left: 35px"
-        @click="handleStateChange('runes', i)"
+        @click="handleStateChange('build', i)"
       >
-        Runes
-      </h2>
-      <h2
-        :class="
-          'sidebar-link ' + (state == 'items' && laneState == i ? 'sidebar-link-selected' : '')
-        "
-        style="margin-top: 10px; font-size: 1.9rem; padding-left: 35px"
-        @click="handleStateChange('items', i)"
-      >
-        Items
+        Build
       </h2>
 
       <h2