fix(venv): add prompt for virtual env directory name, default .venv

incipyt/tools/venv.py

@@ -1,22 +1,23 @@
 import os
 
-from incipyt import commands, signals, tools
+from incipyt import commands, project, signals, tools
 
 
 class Venv(tools.Tool):
     """Scripts to add virtualenv to :class:`incipyt.project._Structure`."""
 
     def add_to_structure(self):
         """Add venv configuration to `project.structure`, do nothing."""
-        signals.vcs_ignore.emit(pattern=".env/")
+        signals.vcs_ignore.emit(pattern="{VIRTUAL_ENV_DIRECTORY}/")
 
     def pre(self, workon):
         """Run `python -m venv .env`.
 
         :param workon: Work-on folder.
         :type workon: :class:`pathlib.Path`
         """
-        env_path = workon / ".env"
+        project.environ.setdefault("VIRTUAL_ENV_DIRECTORY", ".venv")
+        env_path = workon / project.environ["VIRTUAL_ENV_DIRECTORY"]
         commands.venv([os.fspath(env_path)])
         commands.setenv_python_cmd(
             env_path.resolve() / ("Scripts" if os.name == "nt" else "bin") / "python"