install_dependencies.py, test_projection.py, test_rot.py hinzugefügt, compute.py und pyproject.toml modified

pyproject.toml

@@ -1,4 +1,6 @@
 [project]
 name = "matrixmania"
 version = "0.1.0"
-dependencies = ["tabulate", "ruff"]
+dependencies = ["tabulate", "ruff"]
+[project.optional-dependencies]
+dev = ["pytest", "ruff", "pytest-cov"]