make api e2e structure consistent with create-next-app

Author: dario-piotrowicz

examples/api/e2e-tests/base.spec.ts renamed to examples/api/e2e/base.spec.ts

@@ -10,8 +10,8 @@
     "build:worker": "pnpm cloudflare",
     "dev:worker": "wrangler dev --port 8770",
     "preview:worker": "pnpm build:worker && pnpm dev:worker",
-    "e2e": "playwright test",
-    "e2e:dev": "playwright test -c playwright.dev.config.ts",
+    "e2e": "playwright test -c e2e/playwright.dev.config.ts",
+    "e2e:dev": "playwright test -c e2e/playwright.dev.config.ts",
     "cf-typegen": "wrangler types --env-interface CloudflareEnv"
   },
   "dependencies": {