include username and password in argilla nb

src/examples/human_evaluation.ipynb

@@ -27,6 +27,15 @@
     "from the intelligence layer base directory."
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Once you go to `localhost:6900` and you are prompted to enter a username and password, use:\n",
+    "- username: `argilla`\n",
+    "- password: `1234`"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,