Problem Suggestion: Add "MST Unification" to Gold - Additional Practice for USACO Gold

[maggieliu05]

User xHulKemIumPANuvaYFIXtNRlsz63 suggested adding the problem MST Unification to the problems table of the module Gold - Additional Practice for USACO Gold.

Automatically Generated JSON:

{
  "uniqueId": "cf-1108F",
  "name": "MST Unification",
  "url": "https://codeforces.com/contest/1108/problem/F",
  "source": "CF",
  "difficulty": "Normal",
  "isStarred": false,
  "tags": [
    "DSU",
    "MST"
  ],
  "solutionMetadata": {
    "kind": "autogen-label-from-site",
    "site": "CF"
  }
}

Additional Notes: None

This PR was automatically generated from a user-submitted problem suggestion on the USACO guide.