To create a Club you have simply to click on the Club symbol:
It will open a new screen; click on the upper right "Create a Club" button (indicated by the red arrow in the image below).
  • Club Name
  • Symbol (in the following image, a ladybug is selected)
  • Description
  • Club Type
  • Requisite
Then click on the bottom right "Create Club" button (highlighted by the yellow arrow in the following image).