Document nox as a dependency in README.md

{{cookiecutter.repostory_name}}/README.md

@@ -12,6 +12,7 @@ Skeleton of this project was generated with `cookiecutter-rt-django`, which some
 - docker-compose
 - python 3.11
 - [pdm](https://pdm-project.org)
+- [nox](https://nox.thea.codes)
 
 # Setup development environment
 

{{cookiecutter.repostory_name}}/noxfile.py

@@ -116,7 +116,6 @@ def format_(session):
 @nox.session(python=PYTHON_DEFAULT_VERSION)
 def lint(session):
     """Run linters in readonly mode."""
-    # Check if lockfile is synchronized with pyproject.toml
     install(session, 'lint')
     session.run('ruff', 'check', '--diff', '.')
 {%- if cookiecutter.ci_use_spellchecker == "y" %}