chore: import upstream snapshot with attribution

.github/workflows/docs.yml

@@ -0,0 +1,75 @@
+name: Deploy Documentation
+
+on:
+  pull_request:
+    branches: [main]
+    paths:
+      - 'docs/**'
+      - 'wiki/**'
+      - 'mkdocs.yml'
+      - '.github/workflows/docs.yml'
+  push:
+    branches:
+      - main
+    paths:
+      - 'docs/**'
+      - 'mkdocs.yml'
+      - '.github/workflows/docs.yml'
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  validate:
+    if: github.event_name == 'pull_request'
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@v7
+
+      - name: Set up Python
+        uses: actions/setup-python@v6
+        with:
+          python-version: '3.11'
+
+      - name: Cache pip
+        uses: actions/cache@v6
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-docs-${{ hashFiles('mkdocs.yml') }}
+          restore-keys: ${{ runner.os }}-pip-docs-
+
+      - name: Install dependencies
+        run: pip install mkdocs-material
+
+      - name: Build docs
+        run: mkdocs build
+
+  deploy:
+    if: github.event_name != 'pull_request'
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/checkout@v7
+        with:
+          fetch-depth: 0
+
+      - name: Set up Python
+        uses: actions/setup-python@v6
+        with:
+          python-version: '3.11'
+
+      - name: Cache pip
+        uses: actions/cache@v6
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-docs-${{ hashFiles('mkdocs.yml') }}
+          restore-keys: ${{ runner.os }}-pip-docs-
+
+      - name: Install dependencies
+        run: pip install mkdocs-material
+
+      - name: Build and deploy
+        run: mkdocs gh-deploy --force