Add black to pyproject.toml

Also exclude vendored conv_template.py from black style checks

Author: ndgrigorian

.pre-commit-config.yaml

@@ -19,6 +19,7 @@ repos:
   rev: 25.1.0
   hooks:
   - id: black
+    exclude: "_vendored/conv_template.py"
 
 - repo: https://github.com/pycqa/flake8
   rev: 7.1.2

pyproject.toml

@@ -66,6 +66,10 @@ test = ["pytest"]
 Download = "http://github.com/IntelPython/mkl_fft"
 Homepage = "http://github.com/IntelPython/mkl_fft"
 
+[tool.black]
+line-length = 80
+exclude = "_vendored/conv_template.py"
+
 [tool.isort]
 ensure_newline_before_comments = true
 force_grid_wrap = 0