New patio checks

In CYPEURBAN version 2023.g, the following checks have been implemented for patios:

• Minimum area of patios
  Smallest surface area allowed for the layout of a patio.
  
  
• Minimum distance between patio façades
  Smallest allowable distance between the façades of a patio due to the layout of the patio.
  
  
• Maximum height of patio
  Highest admissible height for the layout of a patio.