add index route info, make it fetch per hour instead of every user, add health route, update to latest biome config aswell as logger

types/health.d.ts

@@ -0,0 +1,17 @@
+interface CacheInfo {
+	timestamp: string | null;
+	age: string;
+}
+
+interface HealthResponse {
+	status: "ok" | "degraded";
+	timestamp: string;
+	uptime: number;
+	services: {
+		redis: "ok" | "error" | "unknown";
+	};
+	cache: {
+		lastFetched: Record<string, CacheInfo> | { error: string };
+		nextUpdate: string | null;
+	};
+}