Adding instances and namedgraphs services

doc/examples/originalComponents/services/instances/html.template

+    <div class="container-fuild">
+      <h1>Instances of class {{lodspk.args.arg0}}</h1>
+        <ul>
+    {% for row in models.main %}
+        <li><a href="{{ row.resource.value }}">{{row.resource.curie}}</a></li>
+    {% endfor %}
+    </ul>
+   </div>
+  </body>
+</html>

doc/examples/originalComponents/services/instances/queries/main.query

+SELECT DISTINCT ?resource WHERE {
+  {
+    GRAPH ?g{
+      ?resource a {{lodspk.args.arg0}}
+    }
+  }UNION{
+      ?resource a {{lodspk.args.arg0}}
+  }
+}order by ?resource
+limit {{lodspk.maxResults}}

doc/examples/originalComponents/services/namedGraphs/html.template

+    <div class="container-fluid">
+      <h1>Named graphs available</h1>
+  {%if first.main.g%}
+      <ul>
+    {% for row in models.main %}
+        <li>{{row.g.value}}</li>
+    {% endfor %}
+      </ul>
+  {%else%}
+    <div class="alert alert-info">
+      <p>No named graphs found</p>
+    </div>
+  {%endif%}
+    </div>
+  </body>
+</html>

doc/examples/originalComponents/services/namedGraphs/queries/main.query

+SELECT DISTINCT ?g WHERE {
+  GRAPH ?g{
+        [] ?p ?resource .
+  }
+}
+order by ?g