Add sync-docs-to-wiki workflow

Auto-syncs docs/ to the GitHub Wiki on every push to main that
touches docs/. Also supports manual workflow_dispatch.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: taylorarndt

.github/workflows/sync-docs-to-wiki.yml

@@ -0,0 +1,41 @@
+name: Sync docs to Wiki
+
+on:
+  push:
+    branches: [ main ]
+    paths:
+      - 'docs/**'
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Configure git
+        run: |
+          git config --global user.name "github-actions[bot]"
+          git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
+
+      - name: Clone GitHub Wiki
+        run: |
+          git clone https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/${{ github.repository }}.wiki.git wiki
+
+      - name: Sync docs to wiki
+        run: |
+          rsync -av --delete docs/ wiki/
+          cd wiki
+          git add -A
+          if [ -n "$(git status --porcelain)" ]; then
+            git commit -m "Sync docs from repository [skip ci]"
+            git push origin HEAD
+          else
+            echo "No changes to commit"
+          fi