Update data.json

data.json

@@ -1,38 +1,11 @@
 [
-  {
-    "title": "Two Sum",
-    "difficulty": "Easy",
-    "topic": "Arrays",
-    "url": "https://leetcode.com/problems/two-sum/"
-  },
-  {
-    "title": "Binary Search",
-    "difficulty": "Easy",
-    "topic": "Searching",
-    "url": "https://leetcode.com/problems/binary-search/"
-  },
-  {
-    "title": "Merge Intervals",
-    "difficulty": "Medium",
-    "topic": "Intervals",
-    "url": "https://leetcode.com/problems/merge-intervals/"
-  },
-  {
-    "title": "Word Ladder",
-    "difficulty": "Hard",
-    "topic": "Graphs",
-    "url": "https://leetcode.com/problems/word-ladder/"
-  },
-  {
-    "title": "Climbing Stairs",
-    "difficulty": "Easy",
-    "topic": "Dynamic Programming",
-    "url": "https://leetcode.com/problems/climbing-stairs/"
-  },
   {
     "title": "Subsets",
     "difficulty": "Medium",
     "topic": "Recursion",
-    "url": "https://leetcode.com/problems/subsets/"
+    "tags": ["Backtracking", "DFS"],
+    "dateSolved": "2026-05-08",
+    "platform": "LeetCode",
+    "url": "./problems/subsets.html"
   }
 ]