V.0.3.0 release (#83)

* Update documentation, GH action ci
* #81 - black

Author: peterfarrell

.github/workflows/ci.yml

@@ -26,6 +26,13 @@ jobs:
             python-version: "3.9"
           - django-version: "4.0.0"
             python-version: "3.10"
+          # Django 4.1
+          - django-version: "4.1.0"
+            python-version: "3.8"
+          - django-version: "4.1.0"
+            python-version: "3.9"
+          - django-version: "4.1.0"
+            python-version: "3.10"
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}