Add automated docs publish workflow

.forgejo/workflows/publish-docs.yml

@@ -0,0 +1,25 @@
+name: Publish Docs
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  publish-docs:
+    runs-on: docker
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Build MkDocs site
+        run: |
+          docker run --rm \
+            -v "$PWD:/docs" \
+            squidfunk/mkdocs-material:9 \
+            build
+
+      - name: Publish site to docs host
+        run: |
+          rsync -av --delete site/ /opt/kellcreations/docs-platform/published/site/