Add development dependencies

You can install the project in editable mode with dependencies with:

    pip install -e .[dev]

Author: schodet

setup.cfg

@@ -38,6 +38,15 @@ bluetooth =
 	pybluez >= 0.23; platform_system == 'Linux'
 	pybluez >= 0.23; platform_system == 'Windows'
 	pybluez >= 0.23; platform_system == 'Darwin'
+dev =
+	pytest >= 6.0.2
+	coverage >= 5.1
+	pre-commit >= 2.10.1
+	check-manifest >= 0.48
+	sphinx >= 3.4.3
+	sphinx-rtd-theme >= 0.5.1
+	sphinx-autodoc-typehints >= 1.12.0
+	tox >= 3.21.4
 
 [flake8]
 max-line-length = 88