Add devcontainer

Author: kwinkunks

Diff for: .devcontainer/devcontainer.json

@@ -0,0 +1,5 @@
+{
+  "name": "Intro to Data Science",
+  "image": "mcr.microsoft.com/devcontainers/python:3.11",
+  "postCreateCommand": "python -m pip install --user -r requirements.txt"
+}