add isort config from datalad-container

Author: yarikoptic

pyproject.toml

@@ -2,4 +2,10 @@
 requires = ["setuptools >= 46.4.0", "versioningit ~= 0.1", "wheel ~= 0.32"]
 build-backend = "setuptools.build_meta"
 
+[tool.isort]
+force_grid_wrap = 2
+include_trailing_comma = true
+multi_line_output = 3
+combine_as_imports = true
+
 [tool.versioningit]