Create example-screenshot-from-url.mdx

Author: kathayl

src/content/partials/browser-rendering/example-screenshot-from-url.mdx

@@ -0,0 +1,12 @@
+```bash
+curl -X POST 'https://api.cloudflare.com/client/v4/accounts/<accountId>/browser-rendering/screenshot' \
+  -H 'Authorization: Bearer <apiToken>' \
+  -H 'Content-Type: application/json' \
+  -d '{
+    "html": "Hello World!",
+    "screenshotOptions": {
+      "omitBackground": true
+    }
+  }' \
+  --output "screenshot.png"
+```