fix(seeder): outDir assets yaml aligné avec la structure dist monorepo

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Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>

back/nest-cli.json

@@ -7,6 +7,7 @@
     "assets": [
       {
         "include": "modules/seeder/assets/**/*.yaml",
+        "outDir": "./dist/back/src",
         "watchAssets": true
       }
     ]