Update devkit v0.2 (#50)

.bazelrc

.flake8

.gitignore

.mypy.ini

.pre-commit-config.yaml

.yamllint

BUILD

Dockerfile

Jenkinsfile

README.md

WORKSPACE

__init__.py

docs/dataset_setup.md

docs/installation.md

docs/nuplan_schema.md

docs/nuplan_schema.png

nuplan/cli/BUILD

nuplan/cli/__init__.py

nuplan/cli/db_cli.py

nuplan/cli/nuplan_cli.py