Frontend updates: caching basic data (json) from CDragon

Implement caching in the patch_detector, consume the cache from API routes in frontend

frontend/pages/tierlist/[lane].vue

@@ -4,9 +4,7 @@ import { LANE_IMAGES, lanePositionToIndex, POSITIONS_STR } from '~/utils/cdragon
 const route = useRoute()
 const lane = route.params.lane as string
 
-const { data: championsData }: ChampionsResponse = await useFetch(
-  CDRAGON_BASE + 'plugins/rcp-be-lol-game-data/global/default/v1/champion-summary.json'
-)
+const { data: championsData }: ChampionsResponse = await useFetch('/api/cdragon/champion-summary')
 
 const { data: championsLanes }: { data: Ref<Array<ChampionData>> } =
   await useFetch('/api/champions')