Move parcels code to src layout (#2311)

* Update config to src layout

* Move files to src

Author: VeckoTheGecko

.gitignore

@@ -20,7 +20,7 @@ Profile.prof
 .eggs/*
 parcels.egg-info/*
 dist/parcels*.egg
-parcels/_version_setup.py
+src/parcels/_version_setup.py
 .pytest_cache
 .hypothesis
 .coverage

pixi.toml

@@ -93,4 +93,4 @@ lxml = "*" # in CI
 types-tqdm = "*"
 
 [feature.typing.tasks]
-typing = "mypy parcels --install-types"
+typing = "mypy src/parcels --install-types"

pyproject.toml

@@ -42,10 +42,11 @@ Tracker = "https://github.com/OceanParcels/parcels/issues"
 
 
 [tool.setuptools]
+package-dir = { "" = "src" }
 packages = ["parcels"]
 
 [tool.setuptools_scm]
-write_to = "parcels/_version_setup.py"
+write_to = "src/parcels/_version_setup.py"
 local_scheme = "no-local-version"
 
 [tool.pytest.ini_options]