feat(curriculum): add dsa quiz to js v9 cert (freeCodeCamp#66019)

Co-authored-by: majestic-owl448 <26656284+majestic-owl448@users.noreply.github.com>

Author: Ksound22

client/i18n/locales/english/intro.json

@@ -3286,6 +3286,12 @@
         "title": "Recursion Quiz",
         "intro": ["Test your knowledge of Recursion with this quiz."]
       },
+      "quiz-data-structures-js": {
+        "title": "Data Structures Quiz",
+        "intro": [
+          "Test what you've learned about data structures in JavaScript with this quiz."
+        ]
+      },
       "lecture-working-with-common-data-structures-js": {
         "title": "Working with Common Data Structures",
         "intro": [