MkDocs documentation integration

Makefile

@@ -18,7 +18,8 @@ install-test:
 install-dev:
 	pip install -r requirements.txt
 	pip install -r tests/requirements-test.txt
-	pip install black isort flake8 mypy flake8-docstrings
+	pip install -r requirements-dev.txt
+	pip install -r requirements-docs.txt
 
 install-all: install install-test install-dev