ci: setup docs workflow

.github/workflows/docs.yml

@@ -0,0 +1,51 @@
+name: docs
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+jobs:
+  docs:
+    runs-on: ubuntu-latest
+
+    environment:
+      name: Docs (GH Pages)
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
+
+      - name: Setup node
+        uses: actions/setup-node@v4
+        with:
+          node-version: lts/*
+          cache: pnpm
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Build package
+        run: pnpm build
+
+      - name: Build docs
+        run: pnpm docs:build
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: docs/.vitepress/dist
+
+      - name: Deploy docs
+        uses: actions/deploy-pages@v4
+        id: deployment