Add devcontainers for codespace

.devcontainer/devcontainer.json

@@ -0,0 +1,47 @@
+{
+  "name": "Python 3",
+  "build": {
+    "dockerfile": "Dockerfile",
+    "context": "..",
+    "args": {
+      // Update 'VARIANT' to pick a Python version: 3, 3.10, 3.9, 3.8, 3.7, 3.6
+      // Append -bullseye or -buster to pin to an OS version.
+      // Use -bullseye variants on local on arm64/Apple Silicon.
+      "VARIANT": "3.9.13"
+    }
+  },
+
+  // Configure tool-specific properties.
+  "customizations": {
+    // Configure properties specific to VS Code.
+    "vscode": {
+      // Set *default* container specific settings.json values on container create.
+      "settings": {
+        "python.defaultInterpreterPath": "/usr/local/bin/python",
+        "python.linting.enabled": true,
+        "python.linting.pylintEnabled": true,
+        "python.formatting.autopep8Path": "/usr/local/py-utils/bin/autopep8",
+        "python.formatting.blackPath": "/usr/local/py-utils/bin/black",
+        "python.formatting.yapfPath": "/usr/local/py-utils/bin/yapf",
+        "python.linting.banditPath": "/usr/local/py-utils/bin/bandit",
+        "python.linting.flake8Path": "/usr/local/py-utils/bin/flake8",
+        "python.linting.mypyPath": "/usr/local/py-utils/bin/mypy",
+        "python.linting.pycodestylePath": "/usr/local/py-utils/bin/pycodestyle",
+        "python.linting.pydocstylePath": "/usr/local/py-utils/bin/pydocstyle",
+        "python.linting.pylintPath": "/usr/local/py-utils/bin/pylint"
+      },
+
+      // Add the IDs of extensions you want installed when the container is created.
+      "extensions": ["ms-python.python", "ms-python.vscode-pylance"]
+    }
+  },
+
+  // Use 'forwardPorts' to make a list of ports inside the container available locally.
+  // "forwardPorts": [],
+
+  // Use 'postCreateCommand' to run commands after the container is created.
+  "postCreateCommand": "make setup",
+
+  // Comment out to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+  "remoteUser": "vscode"
+}