Harmonize pyproject.toml etc. across projects.

.gitignore

@@ -1,31 +1,31 @@
 # Byte-compiled / optimized / DLL files
-__pycache__/
 *.py[cod]
 *$py.class
+__pycache__/
 
 # C extensions
 *.so
 
 # Distribution / packaging
+*.egg
+*.egg-info/
+.eggs/
+.installed.cfg
 .Python
 build/
 develop-eggs/
 dist/
 downloads/
 eggs/
-.eggs/
 lib/
 lib64/
+MANIFEST
 parts/
+pip-wheel-metadata/
 sdist/
+share/python-wheels/
 var/
 wheels/
-pip-wheel-metadata/
-share/python-wheels/
-*.egg-info/
-.installed.cfg
-*.egg
-MANIFEST
 
 # PyInstaller
 #  Usually these files are written by a python script from a template
@@ -34,36 +34,36 @@ MANIFEST
 *.spec
 
 # Installer logs
-pip-log.txt
 pip-delete-this-directory.txt
+pip-log.txt
 
 # Unit test / coverage reports
-htmlcov/
-.tox/
-.nox/
-.coverage
-.coverage.*
-.cache
-nosetests.xml
-coverage.xml
 *.cover
 *.py,cover
+.cache
+.coverage
+.coverage.*
 .hypothesis/
+.nox/
 .pytest_cache/
+.tox/
+coverage.xml
+htmlcov/
+nosetests.xml
 
 # Translations
 *.mo
 *.pot
 
 # Django stuff:
 *.log
-local_settings.py
 db.sqlite3
 db.sqlite3-journal
+local_settings.py
 
 # Flask stuff:
-instance/
 .webassets-cache
+instance/
 
 # Scrapy stuff:
 .scrapy
@@ -78,8 +78,8 @@ target/
 .ipynb_checkpoints
 
 # IPython
-profile_default/
 ipython_config.py
+profile_default/
 
 # pyenv
 .python-version
@@ -101,15 +101,6 @@ celerybeat.pid
 # SageMath parsed files
 *.sage.py
 
-# Environments
-.env
-.venv
-env/
-venv/
-ENV/
-env.bak/
-venv.bak/
-
 # Spyder project settings
 .spyderproject
 .spyproject
@@ -121,12 +112,12 @@ venv.bak/
 /site
 
 # mypy
-.mypy_cache/
 .dmypy.json
+.mypy_cache/
 dmypy.json
 
 # Pyre type checker
 .pyre/
 
-
+# Project specific
 src/pybaum/_version.py