DOC: Add JupyterLite Hello3DWorld example

Author: thewtex

.gitignore

@@ -3,3 +3,4 @@ dist/
 Untitled.ipynb
 examples/integrations/itk/005_32months_T2_RegT1_Reg2Atlas_ManualBrainMask_Stripped.nrrd
 docs/_*
+docs/.jupyterlite.doit.db

docs/files/Hello3DWorld.ipynb

@@ -0,0 +1,108 @@
+{
+  "metadata": {
+    "kernelspec": {
+      "name": "python",
+      "display_name": "Python (Pyodide)",
+      "language": "python"
+    },
+    "language_info": {
+      "codemirror_mode": {
+        "name": "python",
+        "version": 3
+      },
+      "file_extension": ".py",
+      "mimetype": "text/x-python",
+      "name": "python",
+      "nbconvert_exporter": "python",
+      "pygments_lexer": "ipython3",
+      "version": "3.8"
+    }
+  },
+  "nbformat_minor": 5,
+  "nbformat": 4,
+  "cells": [
+    {
+      "cell_type": "code",
+      "source": "import piplite\nawait piplite.install('itkwidgets==1.0a5')",
+      "metadata": {
+        "trusted": true
+      },
+      "execution_count": 2,
+      "outputs": [],
+      "id": "e95388a9-93a6-4e29-bf44-e57a5c5683ab"
+    },
+    {
+      "cell_type": "code",
+      "source": "from itkwidgets import view\nimport imageio.v2 as imageio",
+      "metadata": {
+        "trusted": true
+      },
+      "execution_count": 3,
+      "outputs": [],
+      "id": "c3c5eb6e"
+    },
+    {
+      "cell_type": "code",
+      "source": "stent = imageio.imread('imageio:stent.npz')",
+      "metadata": {
+        "trusted": true
+      },
+      "execution_count": 4,
+      "outputs": [],
+      "id": "1bc45207"
+    },
+    {
+      "cell_type": "code",
+      "source": "viewer = view(stent, rotate=True)\nviewer",
+      "metadata": {
+        "trusted": true
+      },
+      "execution_count": 5,
+      "outputs": [
+        {
+          "output_type": "display_data",
+          "data": {
+            "text/plain": "<IPython.core.display.Javascript object>",
+            "application/javascript": "window.connectPlugin && window.connectPlugin(\"cabe680b-467f-411c-9d18-4af39bd42818\")"
+          },
+          "metadata": {}
+        },
+        {
+          "output_type": "display_data",
+          "data": {
+            "text/plain": "<IPython.core.display.HTML object>",
+            "text/html": "<div id=\"28428cf3-8ce6-4b09-bfcb-19c6345f165e\"></div>"
+          },
+          "metadata": {}
+        },
+        {
+          "execution_count": 5,
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": "<itkwidgets.viewer.Viewer at 0x24e0c60>"
+          },
+          "metadata": {}
+        }
+      ],
+      "id": "26582452"
+    },
+    {
+      "cell_type": "code",
+      "source": "viewer.set_image_gradient_opacity(0.4)",
+      "metadata": {
+        "trusted": true
+      },
+      "execution_count": 7,
+      "outputs": [],
+      "id": "5ffa3b37-ae13-4c5d-93e1-64d36c99b196"
+    },
+    {
+      "cell_type": "code",
+      "source": "",
+      "metadata": {},
+      "execution_count": null,
+      "outputs": [],
+      "id": "9ac0de0c-7693-4a72-871b-0f7a9c4b2739"
+    }
+  ]
+}