Add deployment action for gh-pages

Signed-off-by: Ikey Doherty <[email protected]>

.github/workflows/deploy-pages.yml

@@ -0,0 +1,29 @@
+name: deploy_pages
+on:
+  push:
+    branches:
+      - main
+      - action-test
+permissions:
+  contents: write
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Configure Git Credentials
+        run: |
+          git config user.name github-actions[bot]
+          git config user.email 41898282+github-actions[bot]@users.noreply.github.com
+      - uses: actions/setup-python@v4
+        with:
+          python-version: 3.x
+      - run: echo "cache_id=$(date --utc '+%V')" >> $GITHUB_ENV
+      - uses: actions/cache@v3
+        with:
+          key: mkdocs-material-${{ env.cache_id }}
+          path: .cache
+          restore-keys: |
+            mkdocs-material-
+      - run: pip install -r requirements.txt
+      - run: mkdocs gh-deploy --force