Update project settings

Author: btschwertfeger

pyproject.toml

@@ -20,6 +20,7 @@ maintainers = [
 ]
 description = "A collection of bias correction techniques written in Python - for climate sciences."
 readme = "README.md"
+license = "GPL-3.0-or-later"
 license-files = ["LICENSE"]
 requires-python = ">=3.9"
 dependencies = [
@@ -70,7 +71,7 @@ include-package-data = false
 
 [tool.setuptools.packages.find]
 include = ["cmethods*"]
-exclude = ["doc*", "tests*", "examples*", ".env", "venv"]
+exclude = ["doc*", "tests*", "examples*", ".env", ".venv"]
 
 [tool.setuptools_scm]
 write_to = "cmethods/_version.py"