chore: Update authentication instructions in notebook files

notebooks/sentence-similarity-datasets-creation/01_dataset_preparation.ipynb

@@ -102,7 +102,9 @@
    "id": "ca75b4b7",
    "metadata": {},
    "source": [
-    "## Authenticate with the Hub"
+    "## Authenticate with the Hub\n",
+    "\n",
+    "You will need to authenticate with the Hub to be able to push datasets to the Hub. You can create a token by going to [https://huggingface.co/settings/tokens](https://huggingface.co/settings/tokens) and creating a new token. You will need a token with write access. It's suggested to create a new token for this workshop (you can always revoke it later)."
    ]
   },
   {

notebooks/sentence-similarity-datasets-creation/02_synthetic_data_creation.ipynb

@@ -69,7 +69,9 @@
    "id": "f47e5f95",
    "metadata": {},
    "source": [
-    "You can do this below if you haven't authenticated with the Hugging Face Hub yet."
+    "## Authenticate with the Hub\n",
+    "\n",
+    "You will need to authenticate with the Hub to be able to push datasets to the Hub. You can create a token by going to [https://huggingface.co/settings/tokens](https://huggingface.co/settings/tokens) and creating a new token. You will need a token with write access. It's suggested to create a new token for this workshop (you can always revoke it later)."
    ]
   },
   {