add admin interface Semantic Uri form field

src/admin/components/edition/metadatum-edition-form.vue

@@ -41,6 +41,21 @@
                     @focus="clearErrors('description')"/>
         </b-field>
             
+        <b-field
+                :addons="false">
+            <label class="label is-inline">
+                {{ $i18n.get('label_semantic_uri') }}
+                <help-button
+                        :title="$i18n.getHelperTitle('metadata', 'semantic_uri')"
+                        :message="$i18n.getHelperMessage('metadata', 'semantic_uri')"/>
+            </label>
+            <b-input
+                    v-model="editForm.semantic_uri"
+                    name="semantic_uri"
+                    type="url"
+                    @focus="clearErrors('semantic_uri')"/>
+        </b-field>
+
         <b-field
                 :addons="false"
                 :type="formErrors['status'] != undefined ? 'is-danger' : ''"

src/admin/tainacan-admin-i18n.php

@@ -271,6 +271,7 @@ return apply_filters( 'tainacan-admin-i18n', [
 	'label_max_options_to_show'                      => __( 'Max options to show', 'tainacan' ),
 	'label_unamed_process'                       	 => __( 'Unamed process', 'tainacan' ),
 	'label_import_collection'                      	 => __( 'Import collection', 'tainacan' ),
+    'label_semantic_uri'                      	     => __( 'Semantic Uri', 'tainacan' ),
 
 	// Instructions. More complex sentences to guide user and placeholders
 	'instruction_delete_selected_collections'        => __( 'Delete selected collections', 'tainacan' ),