Add running doctest to pytest default (#7840)

* Add default options for pytest

* updating DIRECTORY.md

* Move pytest settings to pyproject.toml

* Move coverage settings to the pyproject.toml

* Return --doctest-continue-on-failure to pytest

* Convert pytest args to list

* Update pyproject.toml

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Co-authored-by: Christian Clauss <cclauss@me.com>

pyproject.toml

@@ -0,0 +1,20 @@
+[tool.pytest.ini_options]
+markers = [
+    "mat_ops: mark a test as utilizing matrix operations.",
+]
+addopts = [
+    "--durations=10",
+    "--doctest-modules",
+    "--showlocals",
+]
+
+
+[tool.coverage.report]
+omit = [".env/*"]
+sort = "Cover"
+
+#[report]
+#sort = Cover
+#omit =
+#    .env/*
+#    backtracking/*