Add dev optional dependency (#835)

CHANGES.rst

@@ -83,6 +83,8 @@ general
 
 - Remove use of the deprecated ``pkg_resources`` module from ``setuptools``. [#829]
 
+- Add ``dev`` install option. [#835]
+
 0.11.0 (2023-05-31)
 ===================
 

README.md

@@ -94,6 +94,14 @@ installed too:
     pip install -e ".[docs]"
     pip install -e ".[test,docs]"
 
+
+Note that if you wish to install all the development dependencies (`test` and `docs`) as well as the development
+tools used for linting and reproducible environments run:
+
+    pip install -e ".[dev]"
+
+This will install `tox` and the `pre-commit` tools in addition to all development dependencies.
+
 Need other useful packages in your development environment?
 
     pip install ipython pytest-xdist

pyproject.toml

@@ -52,6 +52,11 @@ test = [
     'pytest-astropy',
     'metrics_logger >= 0.1.0',
 ]
+dev = [
+    'romancal[docs,test]',
+    'tox > 4',
+    'pre-commit > 3'
+]
 
 [project.urls]
 'tracker' = 'https://github.com/spacetelescope/romancal/issues'