chore: update nextjs to 15

Author: FinalAngel

.eslintrc.json

@@ -1,3 +1,3 @@
 {
-  "extends": "next/core-web-vitals"
+  "extends": ["next/core-web-vitals", "next/typescript"]
 }

.gitignore

@@ -3,8 +3,12 @@
 # dependencies
 /node_modules
 /.pnp
-.pnp.js
-.yarn/install-state.gz
+.pnp.*
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/versions
 
 # testing
 /coverage
@@ -25,8 +29,8 @@ npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
 
-# local env files
-.env*.local
+# env files (can opt-in for commiting if needed)
+.env*
 
 # typescript
 *.tsbuildinfo

next.config.mjs

@@ -0,0 +1,7 @@
+import type { NextConfig } from "next";
+
+const nextConfig: NextConfig = {
+  /* config options here */
+};
+
+export default nextConfig;