add devcontainer

.devcontainer/Dockerfile

@@ -0,0 +1,4 @@
+ARG VARIANT="3.10-bullseye"
+FROM mcr.microsoft.com/vscode/devcontainers/python:0-${VARIANT}
+
+RUN pip3 --disable-pip-version-check --no-cache-dir install platformio

.devcontainer/devcontainer.json

@@ -0,0 +1,31 @@
+{
+	"name": "Python 3",
+	"build": {
+		"dockerfile": "Dockerfile",
+		"context": "..",
+		"args": {
+			"VARIANT": "3.10-bullseye"
+		}
+	},
+	"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"
+	},
+	"extensions": [
+		"ms-python.python",
+		"ms-python.vscode-pylance",
+		"platformio.platformio-ide"
+	],
+	"postCreateCommand": "pip3 install --user platformio",
+	"remoteUser": "vscode"
+}