added separate type rule to Makefile

Author: ChrisTimperley

Makefile

@@ -5,13 +5,15 @@ fix:
 	poetry run ruff check src --fix
 
 lint:
-	poetry run mypy src
 	poetry run ruff check src
 
+type:
+	poetry run mypy src
+
 test:
 	poetry run pytest tests
 
-check: lint test
+check: lint type test
 
 clean:
 	rm -rf .pytest_cache

README.md

@@ -16,12 +16,18 @@ To setup the virtual environment and install your project, run:
 make install
 ```
 
-To use the linter and type checker, run:
+To run the linter:
 
 ```shell
 make lint
 ```
 
+To run the type checker:
+
+```shell
+make type
+```
+
 To run the test suite:
 
 ```shell