yarn : replace postinstall script by explicit call

package.json

@@ -9,10 +9,10 @@
     "node": "18.19"
   },
   "scripts": {
-    "postinstall": "node ./env/setupEnv.mjs",
-    "dev": "nuxt dev",
-    "generate": "nuxt generate",
-    "prepare": "nuxt prepare",
+    "setupenv": "node ./env/setupEnv.mjs",
+    "dev": "yarn setupenv && nuxt dev",
+    "generate": "yarn setupenv && nuxt generate",
+    "prepare": "yarn setupenv && nuxt prepare",
     "dev:local": "yarn dev --dotenv .env.local",
     "dev:prod": "yarn dev --dotenv .env.prod",
     "dev:ci": "yarn dev --dotenv .env.ci",