add copyright

ckanext/odsh/public/odsh.css

@@ -1268,6 +1268,20 @@ body {
     padding: 12px;
 }
 
+.dataset-map-label
+{
+    position: relative;
+    left:5px;
+    top:180px;
+    z-index: 999;
+}
+
+.dataset-map-expanded .dataset-map-label
+{
+    left:12px;
+    top:280px;
+}
+
 /* on ie11 leaflet-touch is active and prevents correct drawing of controls */
 .leaflet-touch .leaflet-draw-toolbar a.leaflet-draw-draw-rectangle 
 {

ckanext/odsh/templates/snippets/map.html

@@ -5,7 +5,9 @@
   </h2>
   {% set map_config = h.get_common_map_config() %}
   <div class="dataset-map" data-module="odsh-spatial-query" data-default_extent="{{ default_extent }}" data-module-map_config="{{ h.dump_json(map_config) }}" data-template='sdf'>
-    <div id="dataset-map-container"></div>
+    <div id="dataset-map-container">
+    <div class='dataset-map-label'>&copy; GeoBasis-DE / BKG 2019</div>
+    </div>
   </div>
   <div id="dataset-map-attribution">
     {% snippet "spatial/snippets/map_attribution.html", map_config=map_config %}