Add link to article about Vale.

This also includes steps needed to integrated Vale with Xcode.

library.json

@@ -1,4 +1,11 @@
 [
+  {
+    "title": "Linting Documentation with Vale to Increase Quality & Consistency - includes setup steps for Xcode",
+    "url": "https://getstream.io/blog/linting-documentation-with-vale/#setting-vale-up-in-ci",
+    "author": "Jeroen Leenarts | Stream",
+    "year": 2023,
+    "type": "post"
+  },
   {
     "title": "Using Vale to help engineers become better writers",
     "url": "https://engineering.contentsquare.com/2023/using-vale-to-help-engineers-become-better-writers/",
@@ -174,4 +181,4 @@
     "author": "Chris Ward",
     "type": "post"
   }
-]
+]