[GRASS-git] [OSGeo/grass] 9b3979: i.evapo.time: Add example image to manual (#3281)

[Yann Chemin]

  Branch: refs/heads/main
  Home:   https://github.com/OSGeo/grass
  Commit: 9b3979c0680aca80b338031e2d56af8f1f0f56b7
      https://github.com/OSGeo/grass/commit/9b3979c0680aca80b338031e2d56af8f1f0f56b7
  Author: Yann Chemin <dr.yann.chemin at gmail.com>
  Date:   2023-12-27 (Wed, 27 Dec 2023)

  Changed paths:
    M imagery/i.evapo.time/i.evapo.time.html
    A imagery/i.evapo.time/i_evapo_time.png

  Log Message:
  -----------
  i.evapo.time: Add example image to manual (#3281)

* Update i.evapo.time.html

Improved the explaination of the module with a figure and a reference

* Add example of temporal integration (#3280)

Ref: Chemin and Alexandridis 2004 https://ikee.lib.auth.gr/record/270217/files/Chemin-Alexandridis.pdf

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Co-authored-by: Edouard Choinière <27212526+echoix at users.noreply.github.com>