Create a urireferencer widget

[koenedaele]

Create a widget that displays information based on a report by UriRegistry. Json looks like this:

{
 "count": 8,
 "applications": [
  {
   "count": 6,
   "success": true,
   "has_references": true,
   "items": [
    {"uri": "https://inventaris.onroerenderfgoed.be/erfgoed/node/deo_gebeurtenis.2", "title": "My excavation"},
    {"uri": "https://inventaris.onroerenderfgoed.be/afbeeldingen/176071", "title": "ID341-Kortrijk-ROLLEGEM"},
    {"uri": "https://inventaris.onroerenderfgoed.be/afbeeldingen/176072", "title": "ID342-Kuurne-StCatharina"},
    {"uri": "https://inventaris.onroerenderfgoed.be/afbeeldingen/176075", "title": "ID348-MENEN,StFranciscus"},
    {"uri": "https://inventaris.onroerenderfgoed.be/afbeeldingen/178043", "title": "Heist-op-den-Berg_Schriek_Leo_Kempenaersstraat_28_01"}
   ],
   "title": "Inventaris Onroerend Erfgoed",
   "uri": "https://inventaris.onroerenderfgoed.be",
   "service_url": "https://inventaris.onroerenderfgoed.be/references"
  }, {
   "count": 0,
   "success": true,
   "has_references": false,
   "items": [],
   "title": "Adviezen",
   "uri": "http://backend-pr-3117:37780/",
   "service_url": "http://backend-pr-3117:37780/references"
  }, {
   "count": 0,
   "success": true,
   "has_references": false,
   "items": [],
   "title": "Beheersplannen",
   "uri": "https://plannen.onroerenderfgoed.be/",
   "service_url": "https://plannen.onroerenderfgoed.be/references"
  }, {
   "count": 2,
   "success": true,
   "has_references": true,
   "items": [
    {"uri": "https://besluiten.onroerenderfgoed.be/besluiten/5426", "title": "Dreef van reuzenlevensboom"},
    {"uri": "https://besluiten.onroerenderfgoed.be/besluiten/1328", "title": "Staakmolen "}
   ],
   "title": "Besluiten",
   "uri": "https://besluiten.onroerenderfgoed.be/",
   "service_url": "https://besluiten.onroerenderfgoed.be/references"
  }
],
 "query_uri": "https://id.erfgoed.net/actoren/1",
 "success": true,
 "has_references": true
}

[taeymma]

refs https://github.com/OnroerendErfgoed/actoren/issues/279

[taeymma]

Why are the applications with 'count: 0' included in the results?

[taeymma]

The widget only display the info? or also links to the found results?

[koenedaele]

Count 0 is present so a client can be sure that a certain service was queried and gave no results. Possibly because of an error if succes is False. If we didn't show them, we wouldn't be able to tell the difference between not queried and no references.

[koenedaele]

Turning the URIs into links would be good. Please make it clear that we're possibly only showing 5 out of a lot of results.