adding preview environment for PRs

Author: oli-rmsy

.github/workflows/docs-preview.yml

@@ -0,0 +1,22 @@
+name: Docs Preview
+
+on: [pull_request]
+
+jobs:
+  preview-docs:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Install Mintlify CLI
+        run: npm install -g mint
+
+      - name: Install cloudflared
+        run: npm install -g cloudflared
+
+      - name: Start Mintlify Docs
+        run: mint dev &
+      
+      - name: Start Tunnel
+        run: cloudflared tunnel --url http://localhost:3000