Standardize on .venv for virtualenv name in docs

Author: browniebroke

docs/tutorial/1-serialization.md

@@ -11,20 +11,20 @@ The tutorial is fairly in-depth, so you should probably get a cookie and a cup o
 
 ## Setting up a new environment
 
-Before we do anything else we'll create a new virtual environment, using [venv]. This will make sure our package configuration is kept nicely isolated from any other projects we're working on.
+Before we do anything else we'll create a new virtual environment called `.venv`, using [venv]. This will make sure our package configuration is kept nicely isolated from any other projects we're working on.
 
 === ":fontawesome-brands-linux: Linux, :fontawesome-brands-apple: macOS"
 
     ```bash
-    python3 -m venv env
-    source env/bin/activate
+    python3 -m venv .venv
+    source .venv/bin/activate
     ```
 
 === ":fontawesome-brands-windows: Windows"
 
     ```bash
-    python3 -m venv env
-    source env\Scripts\activate
+    python3 -m venv .venv
+    source .venv\Scripts\activate
     ```
 
 Now that we're inside a virtual environment, we can install our package requirements.

docs/tutorial/quickstart.md

@@ -6,24 +6,47 @@ We're going to create a simple API to allow admin users to view and edit the use
 
 Create a new Django project named `tutorial`, then start a new app called `quickstart`.
 
-```bash
-# Create the project directory
-mkdir tutorial
-cd tutorial
-
-# Create a virtual environment to isolate our package dependencies locally
-python3 -m venv env
-source env/bin/activate  # On Windows use `env\Scripts\activate`
-
-# Install Django and Django REST framework into the virtual environment
-pip install djangorestframework
-
-# Set up a new project with a single application
-django-admin startproject tutorial .  # Note the trailing '.' character
-cd tutorial
-django-admin startapp quickstart
-cd ..
-```
+=== ":fontawesome-brands-linux: Linux, :fontawesome-brands-apple: macOS"
+
+    ```bash
+    # Create the project directory
+    mkdir tutorial
+    cd tutorial
+    
+    # Create a virtual environment to isolate our package dependencies locally
+    python3 -m venv .venv
+    source .venv/bin/activate
+    
+    # Install Django and Django REST framework into the virtual environment
+    pip install djangorestframework
+    
+    # Set up a new project with a single application
+    django-admin startproject tutorial .  # Note the trailing '.' character
+    cd tutorial
+    django-admin startapp quickstart
+    cd ..
+    ```
+
+=== ":fontawesome-brands-windows: Windows"
+
+    ```bash
+    # Create the project directory
+    mkdir tutorial
+    cd tutorial
+    
+    # Create a virtual environment to isolate our package dependencies locally
+    python3 -m venv .venv
+    source .venv\Scripts\activate
+    
+    # Install Django and Django REST framework into the virtual environment
+    pip install djangorestframework
+    
+    # Set up a new project with a single application
+    django-admin startproject tutorial .  # Note the trailing '.' character
+    cd tutorial
+    django-admin startapp quickstart
+    cd ..
+    ```
 
 The project layout should look like: