DEV: Add .editorconfig rules for Python

Author: jorenham

.editorconfig

@@ -6,3 +6,21 @@ indent_size = 4
 indent_style = space
 max_line_length = 80
 trim_trailing_whitespace = true
+
+[*.{py,pyi,pxd}]
+# https://peps.python.org/pep-0008/
+charset = utf-8
+end_of_line = lf
+indent_size = 4
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.py]
+# Keep in sync with `tools/lint_diff.ini` and `tools/linter.py`
+# https://pycodestyle.pycqa.org/en/latest/intro.html#configuration
+max_line_length = 88
+
+[*.pyi]
+# https://typing.readthedocs.io/en/latest/guides/writing_stubs.html#style-guide
+max_line_length = 130