Add deploy docs workflow

.github/workflows/deploy_docs.yaml

@@ -0,0 +1,30 @@
+name: Deploy mkdocs
+
+on:
+  push:
+    branches:
+      - main
+    # This is just for testing purposes and needs to be removed
+    # before merge
+    pull_request:
+      types:
+      - opened
+      - synchronize
+
+env:
+  PYTHON_VERSION: "3.10"
+
+jobs:
+  deploy-docs:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v3
+
+      - name: Install Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ env.PYTHON_VERSION }}
+
+      - name: Build and deploy docs
+        run: mkdocs gh-deploy