Add Codespaces configuration

Author: michaelmior

.devcontainer/devcontainer.json

@@ -0,0 +1,16 @@
+{
+  "image": "mcr.microsoft.com/devcontainers/python:3.12",
+  "hostRequirements": {
+    "cpus": 4
+  },
+  "waitFor": "onCreateCommand",
+  "updateContentCommand": "pip install -r requirements.txt -r requirements-dev.txt",
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "ms-python.python"
+      ]
+    }
+  }
+}
+