Add the Password widget to the widget list

Author: mwcraig

docs/source/examples/Widget List.ipynb

@@ -756,6 +756,32 @@
     ")"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Password\n",
+    "\n",
+    "The `Password` widget hides user input on the screen. **This widget is not a secure way to collect sensitive information because:**\n",
+    "\n",
+    "+ The contents of the `Password` widget are transmitted unencrypted.\n",
+    "+ If the widget state is saved in the notebook the contents of the `Password` widget is stored as plain text."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "widgets.Password(\n",
+    "    value='password',\n",
+    "    placeholder='Enter password',\n",
+    "    description='Password:',\n",
+    "    disabled=False\n",
+    ")"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {