docs: set correct default values for the 'groups' parameter of mkPoet…

…ryApplication and mkPoetryEnv

README.md

@@ -158,7 +158,7 @@ Creates a Python application using the Python interpreter specified based on the
 - **meta**: application [meta](https://nixos.org/nixpkgs/manual/#chap-meta) data (_default:_ `{}`).
 - **python**: The Python interpreter to use (_default:_ `pkgs.python3`).
 - **preferWheels** : Use wheels rather than sdist as much as possible (_default_: `false`).
-- **groups**: Which Poetry 1.2.0+ dependency groups to install (_default_: `[ ]`).
+- **groups**: Which Poetry 1.2.0+ dependency groups to install (_default_: `[ "main" ]`).
 - **checkGroups**: Which Poetry 1.2.0+ dependency groups to install (independently of **groups**) to run unit tests (_default_: `[ "dev" ]`).
 - **extras**: Which Poetry `extras` to install (_default_: `[ "*" ]`, all extras).
 
@@ -216,7 +216,7 @@ Creates an environment that provides a Python interpreter along with all depende
 - **editablePackageSources**: A mapping from package name to source directory, these will be installed in editable mode. Note that path dependencies with `develop = true` will be installed in editable mode unless explicitly passed to `editablePackageSources` as `null`.  (_default:_ `{}`).
 - **extraPackages**: A function taking a Python package set and returning a list of extra packages to include in the environment. This is intended for packages deliberately not added to `pyproject.toml` that you still want to include. An example of such a package may be `pip`. (_default:_ `(ps: [ ])`).
 - **preferWheels** : Use wheels rather than sdist as much as possible (_default_: `false`).
-- **groups**: Which Poetry 1.2.0+ dependency groups to install (_default_: `[ "dev" ]`).
+- **groups**: Which Poetry 1.2.0+ dependency groups to install (_default_: `[ "main" "dev" ]`).
 - **checkGroups**: Which Poetry 1.2.0+ dependency groups to install (independently of **groups**) to run unit tests (_default_: `[ "dev" ]`).
 - **extras**: Which Poetry `extras` to install (_default_: `[ "*" ]`, all extras).