Merge pull request #203 from tekktrik/dev/update-readme-venv

Update README to use .venv for virtual environment name

Author: tekktrik

{{ cookiecutter.__dirname }}/.gitignore

@@ -37,6 +37,7 @@ _build
 
 # Virtual environment-specific files
 .env
+.venv
 
 # MacOS-specific files
 *.DS_Store

{{ cookiecutter.__dirname }}/README.rst

@@ -105,7 +105,7 @@ To install in a virtual environment in your current project:
 .. code-block:: shell
 
     mkdir project-name && cd project-name
-    python3 -m venv .env
+    python3 -m venv .venv
     source .env/bin/activate
     pip3 install {% if cookiecutter.library_prefix -%}{{ cookiecutter.library_prefix }}-{% endif -%}circuitpython-{{ pypi_name }}