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/BottomBar.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) {
@@ -49,16 +49,10 @@ if (route.path.startsWith('/tierlist/')) {
           />
           <div class="nav-buttons">
             <button
-              :class="['nav-button', { active: state == 'runes' && laneState == i }]"
-              @click="handleStateChange('runes', i)"
+              :class="['nav-button', { active: state == 'build' && laneState == i }]"
+              @click="handleStateChange('build', i)"
             >
-              Runes
-            </button>
-            <button
-              :class="['nav-button', { active: state == 'items' && laneState == i }]"
-              @click="handleStateChange('items', i)"
-            >
-              Items
+              Build
             </button>
             <button
               :class="['nav-button', { active: state == 'alternatives' && laneState == i }]"