add pytest-cov, configure coverage in pyproject

Author: JaskRendix

.gitignore

@@ -13,6 +13,7 @@ wgl/
 Docs/
 
 # Test cache
+.coverage
 .pytest_cache/
 
 # Build artifacts

pyproject.toml

@@ -17,6 +17,7 @@ dependencies = [
 [project.optional-dependencies]
 test = [
     "pytest",
+    "pytest-cov",
 ]
 
 [build-system]
@@ -29,4 +30,4 @@ include = ["pyarinc*"]
 
 [tool.pytest.ini_options]
 pythonpath = ["."]
-addopts = "-q"
+addopts = "--cov=pyarinc --cov-report=term-missing"