Add linting

pyproject.toml

@@ -0,0 +1,14 @@
+[tool.pyright]
+include = ["noxfile.py", "runner.py"]
+
+pythonVersion = "3.11"
+typeCheckingMode = "strict"
+reportMissingModuleSource = "error"  # Is only "warning" on strict mode.
+
+# Error code which are disabled even when general strict.
+reportShadowedImports = "error"
+reportCallInDefaultInitializer = "none"  # Ended up just complaining about cases where this was fine (e.g. timedeltas).
+reportImplicitStringConcatenation = "none"  # Conflicts with flake8 config.
+reportPropertyTypeMismatch = "error"
+reportUninitializedInstanceVariable = "error"
+reportUnnecessaryTypeIgnoreComment = "error"