Add requirements for development

readme.md

@@ -141,7 +141,7 @@ Now we're ready to set up the bakery demo project itself:
     cd ~/dev [or your preferred dev directory]
     git clone https://github.com/wagtail/bakerydemo.git
     cd bakerydemo
-    pip install -r requirements/base.txt
+    pip install -r requirements/development.txt
 
 Next, we'll set up our local environment variables. We use [django-dotenv](https://github.com/jpadilla/django-dotenv)
 to help with this. It reads environment variables located in a file name `.env` in the top level directory of the project. The only variable we need to start is `DJANGO_SETTINGS_MODULE`:

requirements/development.txt

@@ -0,0 +1,10 @@
+-r base.txt
+black==22.3.0
+flake8>=3.6.0
+isort==5.6.4  # leave this pinned - it tends to change rules between patch releases
+flake8-blind-except==0.1.1
+flake8-comprehensions==3.8.0
+flake8-print==2.0.2
+flake8-assertive==2.0.0
+curlylint==0.13.1
+djhtml==1.4.13