chunk_content: embs, batch
  Create a search index using HNSWlib:
  
  
  	Copied
  def construct_search_index(dim, num_elements, data):
      # Declaring index
      search_index = hnswlib.Index(space = 'ip', dim = dim) # possible options are l2, cosine or ip
      
      # Initializing index - the maximum number of elements should be known beforehand
      search_index.init_index(max_elements = num_elements, ef_construction = 200, M = 100)
  
      # Element insertion (can be call