Undocumented dependency on Paragraphs

[rosiel]

When I install the module on a fresh site template (no paragraphs), I get a WSOD. The error is:

 ----- -------------- -------- ---------- --------------------------------------------------------------------- 
  ID    Date           Type     Severity   Message                                                              
 ----- -------------- -------- ---------- --------------------------------------------------------------------- 
  174   31/Jul 09:44   php      Error      Drupal\Component\Plugin\Exception\PluginNotFoundException: The       
                                           "paragraphs_type" entity type does not exist. in                     
                                           Drupal\Core\Entity\EntityTypeManager->getDefinition() (line 142 of   
                                           /var/www/

We should probably check if paragraphs are installed, or make the dependency mandatory.