add github workflows

.github/workflows/preview-docs.yml

@@ -0,0 +1,41 @@
+name: preview-docs
+
+on:
+  pull_request:
+    paths:
+      - "fern/**"
+    branches:
+      - main
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    permissions: write-all
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v2
+        with:
+          version: 8
+
+      - name: Install Dependencies
+        shell: bash
+        run: pnpm install
+
+      - name: Generate preview URL
+        id: generate-docs
+        env:
+          FERN_TOKEN: ${{ secrets.FERN_TOKEN }}
+        run: |
+          OUTPUT=$(pnpm run docs:preview 2>&1) || true
+          echo "$OUTPUT"
+          URL=$(echo "$OUTPUT" | grep -oP 'Published docs to \K.*(?= \()')
+          echo "Preview URL: $URL"
+          echo "🌿 Preview your docs: $URL" > preview_url.txt
+
+      - name: Comment URL in PR
+        uses: thollander/[email protected]
+        with:
+          filePath: preview_url.txt

.github/workflows/publish-docs.yml

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+name: publish-docs
+
+on:
+  push:
+    paths:
+      - "fern/**"
+    branches:
+      - main
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push' && contains(github.ref, 'refs/heads/main')
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v2
+        with:
+          version: 8
+
+      - name: Install Dependencies
+        shell: bash
+        run: pnpm install
+
+      - name: Publish Docs
+        env:
+          FERN_TOKEN: ${{ secrets.FERN_TOKEN }}
+        run: pnpm run docs:publish