Implement the distribution <BarChart /> for EMBEDDINGS <Detail /> (reference)

[lucataglia]

Checklist

• I have filled out the template to the best of my ability.
• This only contains 1 feature request (if you have multiple feature requests, open one feature request for each feature request).
• This issue is not a duplicate feature request of previous feature requests.

Please describe your task requirements

This chart is the same of the NumericalFeature (DataQuality Binary)

URL: GET /{model_uuid}/reference/embeddings

DTO: we need the histogram to rendere the <BarChart />

{
  "reference_embeddings_metrics": {     
    "n_comp": 2,
    "n_cluster": 5,
    "inertia": 152.75,
    "sil_score": 0.48
  },
  "reference_embeddings": {    
    "centroid": {     
      "x": 0.0,
      "y": 0.0
    },
    "values": [     
      {
        "timestamp": 1627849200,
        "x": 1.23,
        "y": 4.56
      },
      {
        "timestamp": 1627849260,
        "x": 2.34,
        "y": 5.67
      },
      {
        "timestamp": 1627849320,
        "x": 3.45,
        "y": 6.78
      }
    ]
  },
  "histogram": {     // < - - - - - - - - - HERE
    "buckets": [0.0, 1.0, 2.0, 3.0, 4.0],
    "reference_values": [15, 25, 10, 5, 3],  // Same as reference for comparison
  },
}

Acceptance Criteria

The distribution is available for the user

Additional Notes

No response