Feature: Implement federatation for the browse page

[syphax-bouazzouni]

Require

• Feature: implement federation of collections calls ontologies_api_ruby_client#17

Context

See ontoportal/ontoportal-project#38

Changes

• Show in the browse ontologies from external portals
  

• Have custom styles depending on the origin ontology
  

• Redirect to the external portal for federated ontologies
  

• Federate filters (categories, groups, languages, status, format, search) and sort by.

• Add an error message to inform when of the federated portals is down or returning an error
  

• Add configuration samples, using public API keys, the federation is enable for an external portal if the API URL and Key are provided

# Federation configuration
$PORTALS_INSTANCES = [
  {
    name: 'AgroPortal',
    api: 'https://data.agroportal.lirmm.fr',
    ui: 'https://agroportal.lirmm.fr/',
    color: '#349696',
    apikey: 'XXX',
    'light-color': '#F1F6FA',
  },
  {
    name: 'BioPortal',
    ui: 'https://bioportal.bioontology.org/',
    api: 'https://data.bioontology.org/',
    apikey: 'XXX',
    color: '#234979',
    'light-color': '#E9F2FA',
  },
  {
    name: 'SIFR BioPortal',
    ui: 'https://bioportal.lirmm.fr/',
    color: '#74a9cb',
  }
]

• Handle the merging of the same ontology from different portals (f384920)
  

[syphax-bouazzouni]

Deployed in https://testportal.lirmm.fr/ontologies