refactor: add docs-site with locally-sourced docs

.github/workflows/docker.yml

@@ -0,0 +1,48 @@
+name: Docker Images
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+env:
+  REGISTRY: ghcr.io
+
+jobs:
+  build-and-push-docs-site:
+    # Run on external PRs and pushes to branches on the repo
+    # This is to avoid double running on PRs from internal branches
+    if: github.event_name == 'push' || github.event_name == 'schedule' || github.event.pull_request.head.repo.full_name != github.repository
+
+    name: Build and push docs website
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v6
+        with:
+          submodules: recursive
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/cot-rs/cot-site
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: docs/
+          push: ${{ github.ref == 'refs/heads/master' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}