pyproject.toml: Run ruff on basic examples, ignore docstring

- Only exclude examples/advanced from ruff, to start running ruff on the basic examples.
- Ignore docstring errors in the example folder.

Both can be revisited in the future.

pyproject.toml

@@ -97,7 +97,7 @@ path = "mesa/__init__.py"
 # Hardcode to Python 3.10.
 # Reminder to update mesa-examples if the value below is changed.
 target-version = "py310"
-extend-exclude = ["docs", "build", "examples"]
+extend-exclude = ["docs", "build", "examples/advanced"]  # TODO: Remove examples/advanced
 
 [tool.ruff.lint]
 select = [
@@ -148,5 +148,8 @@ extend-ignore = [
   "ISC001", # ruff format asks to disable this feature
   "S311",   # Standard pseudo-random generators are not suitable for cryptographic purposes
 ]
+# Ignore all docstring errors in examples
+per-file-ignores = {"examples/*"= ["D"]}
+
 [tool.ruff.lint.pydocstyle]
 convention = "google"