pytemplate

Creating a template repo for Python with black, flake8, pylint, mypy, pytest, pre-commit set up

Also, adding devcontainer.json file for remote codespaces settings

Formatting `devcontainer.json`

includes settings.json info - can be set up in .vscode/settings.json too (works for local too)

includes both devcontainer.json and Dockerfile

use prebuilt docker image, set up vscode extensions etc.

all key:value properties like image, dockerFile, extensions, settings, forwardPorts, postCreateCommand etc.