Feat: Add enable/disable option for hivemind whole module setting!

[amindadgar]

We want to be able of enabling/disabling the whole hivemind module.

{
  "_id": ObjectId(""),
  "name": "hivemind",
  "community": (""),
  "options": {
    "platforms": [
      {
        "platform": ObjectId(""),
        "name": "platform1",
        "_id": ObjectId(""),
        "metadata": {
           ...
        }
      }
  ]
  },
  "createdAt": Date(),
  "updatedAt": Date(),
  "activated": true   # We want this option to be added
}