How to create a module in drupal 8, and the example of how to index files to drupal file system module (drupal 7 and maybe 8)

This presentation will be divided in two parts:

- First part: How to develop in simply basic steps, a module in drupal 8.

- Second part: Presentation about the module developed by us. That one index precise files that aren't in the drupal system, moreover the module has been made in drupal 7. We are making the best efforts to present it in drupal 8 as well.