feat: add DSA modules in js cert (freeCodeCamp#65086)

Author: jdwilkin4

client/i18n/locales/english/intro.json

@@ -5303,12 +5303,42 @@
       "classes-and-the-this-keyword": "Classes",
       "lab-bank-account-manager": "Build a Bank Account Management Program",
       "recursion": "Recursion",
+      "data-structures": "Data Structures",
+      "algorithms": "Algorithms",
+      "graphs-and-trees": "Graphs and Trees",
+      "dynamic-programming": "Dynamic Programming",
       "functional-programming": "Functional Programming",
       "asynchronous-javascript": "Asynchronous JavaScript",
       "lab-weather-app": "Build a Weather App",
       "review-javascript": "JavaScript Review",
       "javascript-certification-exam": "JavaScript Certification Exam"
     },
+    "module-intros": {
+      "data-structures": {
+        "note": "Coming Spring 2026",
+        "intro": [
+          "In this module, you will learn about linked lists, stacks, queues and more."
+        ]
+      },
+      "algorithms": {
+        "note": "Coming Spring 2026",
+        "intro": [
+          "In this module, you will learn about common sorting and searching algorithms including bubble sort, binary search and more."
+        ]
+      },
+      "graphs-and-trees": {
+        "note": "Coming Spring 2026",
+        "intro": [
+          "In this module, you will learn about graphs, trees and tries."
+        ]
+      },
+      "dynamic-programming": {
+        "note": "Coming Spring 2026",
+        "intro": [
+          "In this module, you will learn how dynamic programming works."
+        ]
+      }
+    },
     "blocks": {
       "lecture-introduction-to-javascript": {
         "title": "Introduction to JavaScript",

curriculum/structure/superblocks/javascript-v9.json

@@ -293,6 +293,26 @@
             "quiz-recursion"
           ]
         },
+        {
+          "dashedName": "data-structures",
+          "comingSoon": true,
+          "blocks": []
+        },
+        {
+          "dashedName": "algorithms",
+          "comingSoon": true,
+          "blocks": []
+        },
+        {
+          "dashedName": "graphs-and-trees",
+          "comingSoon": true,
+          "blocks": []
+        },
+        {
+          "dashedName": "dynamic-programming",
+          "comingSoon": true,
+          "blocks": []
+        },
         {
           "dashedName": "functional-programming",
           "blocks": [