Move Playwright to optional dependencies

Author: hasparus

package.json

@@ -92,7 +92,6 @@
     "eslint-plugin-react": "^7.37.5",
     "eslint-plugin-react-hooks": "^5.2.0",
     "eslint-plugin-tailwindcss": "3.17.5",
-    "playwright": "^1.54.2",
     "prettier": "3.5.3",
     "prettier-plugin-pkg": "^0.20.0",
     "prettier-plugin-tailwindcss": "^0.6.12",
@@ -102,6 +101,9 @@
     "tsx": "^4.19.4",
     "typescript": "^5.8.3"
   },
+  "optionalDependencies": {
+    "playwright": "^1.54.2"
+  },
   "pnpm": {
     "patchedDependencies": {
       "nextra": "patches/nextra.patch"