Add a new config to an existing activation

curl --request POST \
  --url https://api.drip.re/api/v1/realms/{realmId}/web3/activations/{activationId}/configs \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "config": {
    "configType": "generator",
    "settings": {
      "intervalHours": 123,
      "dict": {},
      "listingPenalty": "<string>",
      "listingPenaltyPrice": 123,
      "listingPenaltyChain": "<string>"
    },
    "pointsConfig": [
      {
        "realmPointId": "<string>",
        "baseYield": 123,
        "maxBalance": 123,
        "roundType": "<string>",
        "isStackable": true,
        "tokenRatio": 123
      }
    ]
  }
}'

{
  "id": "<string>",
  "activationType": "nft",
  "contractAddress": "<string>",
  "chain": "ethereum",
  "collectionKey": "<string>",
  "displayName": "<string>",
  "configs": [
    {
      "configType": "generator",
      "id": "<string>",
      "settings": {
        "intervalHours": 123,
        "lastRun": "2023-11-07T05:31:56Z",
        "dict": {},
        "listingPenalty": "<string>",
        "listingPenaltyPrice": 123,
        "listingPenaltyChain": "<string>"
      },
      "pointsConfig": [
        {
          "id": "<string>",
          "realmWeb3ActivationConfigId": "<string>",
          "realmPointId": "<string>",
          "baseYield": 123,
          "maxBalance": 123,
          "roundType": "<string>",
          "isStackable": true,
          "tokenRatio": 123,
          "createdAt": "2023-11-07T05:31:56Z",
          "updatedAt": "2023-11-07T05:31:56Z"
        }
      ],
      "createdAt": "2023-11-07T05:31:56Z",
      "updatedAt": "2023-11-07T05:31:56Z"
    }
  ],
  "createdAt": "2023-11-07T05:31:56Z",
  "updatedAt": "2023-11-07T05:31:56Z"
}