OnToology update

Added comments for all entities.

Some links to SSN/SOSA have been indicated.

Added labels and comments.
Added deployment time and spatial relations.
Changed saref:consistOf property for the networks componency for the
Constituency pattern relationships.

fix uri on the ontology file

Add documentation of SAREF4INMA

OnToology update

Added readme for SAREF4AGRI

Include main classes and properties  in the diagram for the “Use case
2: Smart irrigation”.

Include main classes and properties for the “Use case 2: Smart
irrigation”.