Frontend updates: caching basic data (json) from CDragon

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

frontend/server/api/routemap.ts

@@ -1,11 +1,7 @@
-import { CDRAGON_BASE } from '~/utils/cdragon'
+import { getChampionSummary } from '~/server/utils/cdragon-cache'
 
 async function championRoutes() {
-  const championsData: Array<Champion> = await (
-    await fetch(
-      CDRAGON_BASE + 'plugins/rcp-be-lol-game-data/global/default/v1/champion-summary.json'
-    )
-  ).json()
+  const championsData = await getChampionSummary()
 
   const routes: Array<string> = []
   for (const champion of championsData) {