Feat: add suggested problem 'Connecting Universities'

Author: maggieliu05

content/3_Silver/Conclusion.problems.json

@@ -241,6 +241,19 @@
         "site": "CF"
       }
     },
+    {
+      "uniqueId": "cf-700B",
+      "name": "Connecting Universities",
+      "url": "https://codeforces.com/contest/700/problem/B",
+      "source": "CF",
+      "difficulty": "Normal",
+      "isStarred": false,
+      "tags": ["DFS"],
+      "solutionMetadata": {
+        "kind": "autogen-label-from-site",
+        "site": "CF"
+      }
+    },
     {
       "uniqueId": "cf-1288D",
       "name": "Minimax Problem",