Add .devcontainer for Visual Studio Code and Github Codespaces

Author: iemejia

.devcontainer/devcontainer.json

@@ -0,0 +1,20 @@
+{
+  "name": "pydata-book",
+  // We use the universal image and not the python one because containers based on the default image are not counted as used storage in github codespaces.
+  // https://docs.github.com/en/billing/managing-billing-for-github-codespaces/about-billing-for-github-codespaces
+  "image": "mcr.microsoft.com/devcontainers/universal:2-linux",
+  "forwardPorts": [
+    6006,
+    8888
+  ],
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "ms-python.python",
+        "ms-toolsai.jupyter"
+      ]
+    }
+  },
+  "onCreateCommand": "pip3 install --user -r requirements.txt notebook",
+  "postStartCommand": "jupyter notebook --ip='0.0.0.0' --port=8888 --no-browser"
+}

README.md

@@ -35,6 +35,11 @@ reorganized book materials on the [`1st-edition` branch][2].
 * [Chapter 13: Data Analysis Examples](http://nbviewer.ipython.org/github/pydata/pydata-book/blob/3rd-edition/ch13.ipynb)
 * [Appendix A: Advanced NumPy](http://nbviewer.ipython.org/github/pydata/pydata-book/blob/3rd-edition/appa.ipynb)
 
+You can also run these notebooks using dev containers:
+
+* [![Open in Visual Studio Code](https://img.shields.io/static/v1?label=&message=Open%20in%20Visual%20Studio%20Code&color=blue&logo=visualstudiocode&style=flat)](https://vscode.dev/redirect?url=vscode://ms-vscode-remote.remote-containers/cloneInVolume?url=https://github.com/wesm/pydata-book)
+* [![Open in Github Codespaces](https://img.shields.io/static/v1?label=&message=Open%20in%20Github%20Codespaces&color=2f362d&logo=github)](https://codespaces.new/wesm/pydata-book?quickstart=1&hide_repo_select=true)
+
 ## License
 
 ### Code