fix: approve pnpm 11 build scripts and untrack .env files

Add pnpm.onlyBuiltDependencies to allow Prisma, esbuild, NestJS etc.
to run postinstall scripts. Remove .env and .env.local from .gitignore.

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package.json

@@ -26,5 +26,16 @@
   "engines": {
     "node": ">=22",
     "pnpm": ">=11.0.0"
+  },
+  "pnpm": {
+    "onlyBuiltDependencies": [
+      "@nestjs/core",
+      "@prisma/client",
+      "@prisma/engines",
+      "@scarf/scarf",
+      "esbuild",
+      "prisma",
+      "vue-demi"
+    ]
   }
 }