refactor: move e2e top level (#1449)

e2e/examples/nextjs-agent/tsconfig.json

e2e/examples/nextjs-edge-runtime/.gitignore

e2e/examples/nextjs-edge-runtime/CHANGELOG.md

e2e/examples/nextjs-edge-runtime/next.config.mjs

e2e/examples/nextjs-edge-runtime/package.json

e2e/examples/nextjs-edge-runtime/public/next.svg

e2e/examples/nextjs-edge-runtime/public/vercel.svg

e2e/examples/nextjs-edge-runtime/src/app/favicon.ico

e2e/examples/nextjs-edge-runtime/src/app/globals.css

e2e/examples/nextjs-edge-runtime/src/app/layout.tsx

e2e/examples/nextjs-edge-runtime/src/app/page.tsx

e2e/examples/nextjs-edge-runtime/src/utils/llm.ts

e2e/examples/nextjs-edge-runtime/tsconfig.json

e2e/examples/nextjs-node-runtime/.gitignore

e2e/examples/nextjs-node-runtime/CHANGELOG.md

e2e/examples/nextjs-node-runtime/README.md

e2e/examples/nextjs-node-runtime/next.config.mjs

e2e/examples/nextjs-node-runtime/package.json

e2e/examples/nextjs-node-runtime/postcss.config.mjs

e2e/examples/nextjs-node-runtime/public/next.svg