Add new feature, support page ranges

test/test_6.1_new_features.ts

@@ -1,5 +1,15 @@
 import { createWriteStream } from 'fs'
-import { add, convert, gotenberg, headers, pipe, please, url } from '../src'
+import {
+  add,
+  convert,
+  gotenberg,
+  headers,
+  pipe,
+  please,
+  range,
+  set,
+  url,
+} from '../src'
 
 // need to run Gotenberg like this
 // docker run --rm -p 3500:3000 thecodingmachine/gotenberg:6
@@ -14,6 +24,7 @@ pipe(
       'Test-Header-2': 'Bar',
     })
   ),
+  set(range('1-1')),
   please
 )(`https://request.urih.com/`)
   .then(pdf => pdf.pipe(createWriteStream(`${__dirname}/headers.pdf`)))