Add how to question

Author: bsyouness

notebooks/00.00-introduction.ipynb

@@ -16,12 +16,18 @@
     "\n",
     "### Matt Craig, Martin Renou, Itay Dafna, Mariana Meireles, Youness Bennani\n",
     "\n",
+    "## How to ask questions\n",
+    "\n",
+    "There is a \"raise hand\" button but instead, please use the chat or the Q/A. Prefer the chat, we will be able to answer your questions and interact in real-time through the chat. If need be we can have the host stop presenting to answer a question that's especially interesting or pertinent. We're not able to answer the Q/A questions unless we stop the flow of the tutorial to answer the question.\n",
+    "\n",
     "## Jupyter lab essentials\n",
     "\n",
     "+ To open a notebook: double-click it in the file browser.\n",
     "+ To hide the file browser: click on the folder icon.\n",
     "+ To run a single code cell in the notebook: Push `Shift` and `Enter`, or use the \"play\" button.\n",
-    "+ To add a new view for an output, right-click on an output and select \"Create new view for output\""
+    "+ To add a new view for an output, right-click on an output and select \"Create new view for output\".\n",
+    "+ Use tab to autocomplete and shift-tab to show documentation.\n",
+    "+ Use CTRL + \"/\" to comment/uncomment code"
    ]
   },
   {