message: Add Hind as co-author of the cech module
diff: }
  @incollection{gudhi:CechComplex
  -, author = "Vincent Rouvreau"
  +, author = "Vincent Rouvreau, Hind Montassif"
  , title = "\v{C}ech complex"
  , publisher = "{GUDHI Editorial Board}"
  , edition = "{@GUDHI_VERSION@}"
  