fix: add type annotation to recentTournaments and fix ESLint configuration

.eslintrc.json

@@ -0,0 +1,9 @@
+{
+  "extends": ["next/core-web-vitals", "next/typescript"],
+  "ignorePatterns": [
+    ".next",
+    "out",
+    "build",
+    "next-env.d.ts"
+  ]
+}

src/app/admin/page.tsx

@@ -3,6 +3,7 @@ import Navigation from "@/components/Navigation"
 import Link from "next/link"
 import { redirect } from "next/navigation"
 import { getSession } from "@/lib/auth-simple"
+import { Event } from "@prisma/client"
 
 export default async function AdminDashboard() {
   console.log('AdminDashboard rendering...')
@@ -53,7 +54,7 @@ export default async function AdminDashboard() {
       take: 5,
       orderBy: { createdAt: "desc" },
     }),
-  ])
+  ]) as [number, number, number, Event[]]
 
   return (
     <div className="min-h-screen bg-gray-50">