title: Add heatmap to a layer in Folium
body: <p>I have this sample code: </p>
  
  <pre><code>from glob import glob
  import numpy as np
  import folium
  from folium import plugins
  from folium.plugins import HeatMap
  
  lon, lat = -86.276, 30.935 
  zoom_start = 5
  
  
  data = (
      np.random.normal(size=(100, 3)) *
      np.array([[1, 1, 1]]) +
      np.array([[48, 5, 1]])
  ).tolist()
  m = folium.Map([48, 5], tiles='stamentoner', zoom_start=6)
  
  HeatMap(data).add_to(m)
  m
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/7iIvS.png" rel="noreferrer"><img src="https://i.stack.imgur.com/7iIvS.png" alt="enter image description here"></a></p>
  
  <p>How can I add this heat map to a layer so I can hide it if needed? </p>