Add build system to pyproject.toml

Author: Yobmod

Diff for: pyproject.toml

@@ -1,3 +1,7 @@
+[build-system]
+requires = ["setuptools", "wheel"]
+build-backend = "setuptools.build_meta"
+
 [tool.pytest.ini_options]
 python_files = 'test_*.py'
 testpaths = 'test'  # space seperated list of paths from root e.g test tests doc/testing