Fix typo and image display

Author: IsabelParedes

.gitignore

@@ -160,4 +160,4 @@ ipynao/labextension
 # Other
 archive/
 */alt-*
-*/tst.ipynb*
+*/tst*.ipynb

content/introduction.ipynb

@@ -14,7 +14,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "%pip install ipyna==0.2"
+    "%pip install ipynao==0.2"
    ]
   },
   {
@@ -380,7 +380,8 @@
    },
    "outputs": [],
    "source": [
-    "display(pil_img)"
+    "# Display the image\n",
+    "pil_img"
    ]
   },
   {